Tootfinder

celegans_2019: Complete C. elegans neurons (2019)
Networks among neurons of both the adult male and adult hermaphrodite worms C. elegans, constructed from electron microscopy series, to include directed edges (chemical) and undirected (gap junction), and spanning including nodes for muscle and non-muscle end organs.
This network has 453 nodes and 4879 edges.
Tags: Biological, Connectome, Weighted

Jupiter's Auroral Ionosphere - Juno Microwave Radiometer Observations of Energetic Electron Precipitation Events: #Juno: https://astrobites.org/2025/06/05/juno_microwave_jupiter/

Electron and gas temperature-driven chemistry during microdischarges formed in water vapour bubbles
Florens Grimm, Jan-Luca Gembus, Jana Sch\"one, Peter Awakowicz, Lars Sch\"ucke, Andrew R. Gibson
https://arxiv.org/abs/2506.05124

Electron and gas temperature-driven chemistry during microdischarges formed in water vapour bubbles
Microdischarges formed in bubbles immersed in liquids are of interest for materials synthesis and chemical conversion applications in the frame of plasma-driven electrochemistry. A key challenge associated with controlling such processes is the limited understanding of the gas-phase chemical kinetics in these microdischarges. Due to their large electron densities, and high gas temperatures, both electron and gas temperature driven chemistry are likely to be important. Here, a 0-D modelling appr…

This https://arxiv.org/abs/2408.01169 has been replaced.
initial toot: https://mastoxiv.page/@a…

Spin parallel transport and holonomy on a spherical two-dimensional electron gas
The quantum conductance of circuits built on flat (Euclidean) two-dimensional electron gases in known to show a symmetric response to the inversion of Rashba spin-orbit coupling fields in Aharonov-Casher interference patterns. Here, we show that this symmetry breaks down in curved (non-Euclidean) circuits defined on a spherical two-dimensional electron gas. We demonstrate that this is a consequence of parallel spin transport and holonomy on the surface of the sphere, and that a symmetric respon…

SuSAM-v2: improved superscaling description of electron and CC neutrino quasielastic scattering using effective mass dynamics
V. L. Martinez-Consentino, P. R. Casale, J. E. Amaro
https://arxiv.org/abs/2506.03934

SuSAM-v2: improved superscaling description of electron and CC neutrino quasielastic scattering using effective mass dynamics
We present an improved version of the Superscaling Analysis with Relativistic Effective Mass, denoted as SuSAM-v2. In the original SuSAM model, a universal scaling function was fitted to a selected set of quasielastic electron scattering (e,e') cross section data, using a phenomenological ansatz inspired by the Relativistic Mean Field model of nuclear matter. In this work, we refine the procedure by first fitting a longitudinal scaling function directly to experimental longitudinal response dat…

The Electron-Gamma Coincidence Setup DAGOBERT
B. Hesbacher, G. Steinhilber, J. Isaak, N. Pietralla, J. Birkhan, M. L. Cort\'es, D. H. Jakubassa-Amundsen, I. Jurosevic, P. von Neumann-Cosel, M. Rech, X. Roca-Maza, D. Schneider
https://arxiv.org/abs/2506.02072

The Electron-Gamma Coincidence Setup DAGOBERT
The QCLAM electron spectrometer at the S-DALINAC electron accelerator at Technische Universität Darmstadt has been extended by the DAGOBERT $γ$-detector array consisting of fast timing and high efficiency LaBr$_3$:Ce detectors to perform electron-gamma coincidence measurements. The functionality of the setup and data acquisition system was demonstrated in a commissioning measurement on $^{12}\textrm{C}$ observing the $4.44\,$MeV and $15.11\,$MeV states. A medium-heavy nucleus, $^{96}\textrm{R…

This https://arxiv.org/abs/2501.10250 has been replaced.
initial toot: https://mastoxiv.page/@ar…

Temporal characterization of femtosecond electron pulses inside ultrafast scanning electron microscope
In this work, we present the implementation of all-optical method for directly measuring electron pulse duration in an ultrafast scanning electron microscope. Our approach is based on the interaction of electrons with the ponderomotive potential of an optical standing wave and provides a precise in situ technique to characterize femtosecond electron pulses at the interaction region across a wide range of electron energies (1-30 keV). By using single-photon photoemission of electrons by ultravio…

The precision measurement of the electron anti-neutrino spectrum in beta-decay of $\rm{^{144}Pr}$ nuclei
A. V. Derbin, I. S. Drachnev, D. V. Ivanov, I. M. Kotina, V. N. Muratova, N. V. Niyazova, D. A. Semenov, M. V. Trushin, E. V. Unzhakov
https://arxiv.org/abs/2506.03716

The precision measurement of the electron anti-neutrino spectrum in beta-decay of $\rm{^{144}Pr}$ nuclei
The $\rm{^{144}Ce - ^{144}Pr}$ electron antineutrino source is one of the most suitable radiochemical sources for experiments searching for the oscillations of active neutrinos to the light sterile state. In the current work the $β$-spectra of $\rm{^{144}Ce - ^{144}Pr}$ source have been measured by two types of $β$-spectrometers based on silicon Si(Li) detectors in order to determine the energy spectrum of electron anti-neutrino emitted in the $β$-decay of $\rm{^{144}Pr}$ nuclei. The nuclear…

Ultrafast electron dynamics upon above band-gap excitation in epitaxial LaFeO$_3$(001) thin films
Friederike Elisa W\"uhrl, Antonia Rieche, Anne Oelschl\"ager, Kathrin D\"orr, Wolf Widdra
https://arxiv.org/abs/2505.24809

Ultrafast electron dynamics upon above band-gap excitation in epitaxial LaFeO$_3$(001) thin films
Strong electron correlations in perovskite oxides give rise to rich and often unexpected electronic phenomena. In this study, we present a comprehensive surface-science investigation of epitaxial thin films of the charge-transfer insulator LaFeO$_3$(001). The characterization includes low-energy electron diffraction (LEED), high-resolution electron energy loss spectroscopy (HREELS), and photoemission spectroscopy. We map both the occupied and unoccupied electronic states using two-photon photoe…

This https://arxiv.org/abs/2505.19014 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csLG_…

Tokenizing Electron Cloud in Protein-Ligand Interaction Learning
The affinity and specificity of protein-molecule binding directly impact functional outcomes, uncovering the mechanisms underlying biological regulation and signal transduction. Most deep-learning-based prediction approaches focus on structures of atoms or fragments. However, quantum chemical properties, such as electronic structures, are the key to unveiling interaction patterns but remain largely underexplored. To bridge this gap, we propose ECBind, a method for tokenizing electron cloud sign…

This https://arxiv.org/abs/2501.18694 has been replaced.
initial toot: https://mastoxiv.page/@arX…

Unconventional excitonic insulators in two-dimensional topological materials
Bound electron-hole pairs in semiconductors known as excitons can form a coherent state at low temperatures akin to a BCS condensate. The resulting phase is known as the excitonic insulator and has superfluid properties. Here we theoretically study the excitonic insulator in a pair of recently proposed two-dimensional candidate materials with nontrivial band topology. Contrary to previous works, we include interaction channels that violate the individual electron and hole number conservations. …

Characterization of NbTi wires for the electron-ion collider project
Jun Lu, Jeremy Levitan Noah Gavin, Aniket Ingrole, Holger Witte, Peng Xu, Ye Bai
https://arxiv.org/abs/2506.05004

Characterization of NbTi wires for the electron-ion collider project
The Electron-Ion Collider (EIC) is a proposed machine to explore the behaviour of the fundamental particles and forces that bind atomic nuclei together. The design and construction of the EIC are underway at Brookhaven National Laboratory in collaboration with Thomas Jefferson National Accelerator Facility. EIC will use several different types of superconducting strands for magnets near the interaction region (IR). At beam injection, the magnetic field is usually very low compared with its maxi…

This https://arxiv.org/abs/2412.09398 has been replaced.
initial toot: https://mastoxiv.page/@a…

Anomalous pinch in electron-electron beam collision
We show that an anomalous pinch can occur in ultrarelativistic electron-electron or positron-positron beam interaction, caused by the combined interplay of collective beam motion (disruption) and strong-field quantum electrodynamics (SF-QED). The locally created electron-positron pairs, from SF-QED effects, screen the self-fields of the beams and can invert the polarity of the Lorentz force resulting in a pinch of the beams. A theoretical model predicts the pinch condition and is confirmed by f…

This https://arxiv.org/abs/2505.18001 has been replaced.
initial toot: https://mastoxiv.page/@a…

Liouvillian skin effects in two-dimensional electron systems at finite temperatures
Liouvillian skin effects, manifested as the localization of Liouvillian eigenstates around the boundary, are distinctive features of non-Hermitian systems and are particularly notable for their impact on system dynamics. Despite their significance, Liouvillian skin effects have not been sufficiently explored in electron systems. In this work, we demonstrate that a two-dimensional electron system on a substrate exhibits $\mathbb{Z}$ and $\mathbb{Z}_2$ Liouvillian skin effects due to the interpla…

Correlated emission of electron-current waves
Shane P. Kelly, Eric Kleinherbers, Yanyan Zhu, Yaroslav Tserkovnyak
https://arxiv.org/abs/2505.24052 https://…

Correlated emission of electron-current waves
Correlated emission of light offer a potential avenue for entanglement generation between atomic spins, with potential application for sensing and quantum memory. In this work, we investigate the conditions for the correlated emission by color centers into an electronic bath of conduction electrons. Unlike emission into bosonic modes, electrons can absorb energy via two-particle processes across a large range of length scales. We find that two length scales are particularly relevant: one set by…

This https://arxiv.org/abs/2502.08342 has been replaced.
initial toot: https://mastoxiv.page/@arX…

Electron Fourier ptychography for phase reconstruction
Phase reconstruction is important in transmission electron microscopy for structural studies. We describe electron Fourier ptychography and its application to phase reconstruction of both radiation-resistant and beam-sensitive materials. We demonstrate that the phase of the exit wave can be reconstructed to high resolution using a modified iterative phase retrieval algorithm using data collected in an alternative optical geometry. This method achieves a spatial resolution of 0.63 nm at a fluenc…

This https://arxiv.org/abs/2410.22882 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hepp…

Radiative corrections and Monte Carlo tools for low-energy hadronic cross sections in $e^+ e^-$ collisions
We present the results of Phase I of an ongoing review of Monte Carlo tools relevant for low-energy hadronic cross sections. This includes a detailed comparison of Monte Carlo codes for electron-positron scattering into a muon pair, pion pair, and electron pair, for scan and radiative-return experiments. After discussing the various approaches that are used and effects that are included, we show differential cross sections obtained with AfkQed, BabaYaga@NLO, KKMC, MCGPJ, McMule, Phokhara, and S…

Removal of Lunar Dust Simulant from Cold Dielectric Surfaces with Electron Beam
Hsin-yi Hao, Wousik Kim, David S. Shelton, Benjamin Farr, Xu Wang, Inseob Hahn
https://arxiv.org/abs/2505.24074

Removal of Lunar Dust Simulant from Cold Dielectric Surfaces with Electron Beam
It has been demonstrated that lunar dust simulant can be efficiently lofted and removed from various room temperature surfaces in vacuum when exposed to a low-energy electron beam. This provides a potential solution to the well-known dust risks associated with future lunar exploration. Considering its application in extremely cold regions on the Moon, we experimentally demonstrated dust lofting from surfaces at temperatures as low as -123degC using an electron beam. Compared to room temperature…

Foundations of the ionization potential condition for localized electron removal in density functional theory
Guy Ohad, Mar\'ia Camarasa-G\'omez, Jeffrey B. Neaton, Ashwin Ramasubramaniam, Tim Gould, Leeor Kronik
https://arxiv.org/abs/2506.00629

Foundations of the ionization potential condition for localized electron removal in density functional theory
Optimal tuning of functional parameters in density functional theory approximations, based on enforcing the ionization potential theorem, has emerged as the method of choice for the non-empirical prediction of the electronic structure of finite systems. This method has recently been extended to the bulk limit, based on an ansatz that generalizes the ionization potential theorem to the removal of an electron from a localized Wannier orbital. This Wannier-localization based optimal tuning method …

Prospects for the production and detection of Breit-Wheeler tunneling positrons in Experiment 320 at the FACET-II accelerator
Oleksandr Borysov, Alon Levi, Sebastian Meuren, Nathaly Nofech-Mozes, Ivan Rajkovic, David A. Reis, Arka Santra, Doug W. Storey, Noam Tal Hod, Roman Urmanov
https://arxiv.org/abs/2506.04992

Prospects for the production and detection of Breit-Wheeler tunneling positrons in Experiment 320 at the FACET-II accelerator
The SLAC Experiment 320 collides 10 TW-class laser pulses with the high-quality, 10 GeV electron beam from the FACET-II RF LINAC. This setup is expected to produce a sizable number of $e^+e^-$ pairs via nonlinear Breit-Wheeler mechanism in the strong-field tunneling regime, with an estimated yield of ~0.01-0.1 pairs per collision. This small signal rate typically comes along with large backgrounds originating, e.g., from dumping the high-charge primary beam, secondaries induced by the beam halo…

This https://arxiv.org/abs/2404.07271 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

Cautionary tales on heating-rate prescriptions in kilonovae
A major ingredient for kilonova lightcurves is the radioactive heating rate and its dependence on the electron fraction and velocity of the ejecta and, in principle, on the nuclear mass formula. Heating-rate formulae commonly used as the basis for kilonova models previously employed in the literature produce substantially different outputs for high electron fractions ($Y_{e} \gtrsim 0.3$) and at late times ($t \gtrsim 1$d) compared to newer prescriptions. Here, we employ standard semi-analytica…

Lattice Mismatch Driven In Plane Strain Engineering for Enhanced Upper Critical Fields in Mo2N Superconducting Thin Films
Aditya Singh, Divya Rawat, Victor Hjort, Abhisek Mishra, Arnaud le Febvrier, Subhankar Bedanta, Per Eklund, Ajay Soni
https://arxiv.org/abs/2506.04750

Lattice Mismatch Driven In Plane Strain Engineering for Enhanced Upper Critical Fields in Mo2N Superconducting Thin Films
Transition metal nitrides are a fascinating class of hard coating material that provide an excellent platform for investigating superconductivity and fundamental electron phonon interactions. In this work the structural morphological and superconducting properties have been studied for Mo2N thin films deposited via direct current magnetron sputtering on cplane Al2O3 and MgO substrates to elucidate the effect of internal strain on superconducting properties. High resolution X Ray diffraction and…

Non Markovian electron Brownian motion with radiation reaction force
Juan Francisco Garc\'ia-Camacho, Oliver Contreras-Vergara, Norma S\'anchez-Salas, Gonzalo Ares de Parga, Jos\'e In\'es Jim\'enez-Aquino
https://arxiv.org/abs/2505.22952

Non Markovian electron Brownian motion with radiation reaction force
In this work, we study non-Markovian electronic plasma diffusion from a classical point of view, taking into account the effects of the radiation reaction force. The electron Brownian motion is described by a Generalized Langevin Equation (GLE) characterized by an Ornstein-Uhlenbeck-type friction memory kernel. To take into account the effects of the radiation reaction force, an effective memory time which accounts for the thermal interaction of the Brownian particle with its surroundings is pr…

Large Berry curvature effects induced by extended nodal structures: Rational design strategy and high-throughput materials predictions
Wencheng Wang, Minxue Yang, Wei Chen, Xiangang Wan, Feng Tang
https://arxiv.org/abs/2506.03871

Large Berry curvature effects induced by extended nodal structures: Rational design strategy and high-throughput materials predictions
Berry curvature can drastically modify the electron dynamics, thereby offering an effective pathway for electron manipulation and novel device applications. Compared to zero-dimensional nodal points in Weyl/Dirac semimetals, higher-dimensional extended nodal structures, such as nodal lines and nodal surfaces, are more likely to intersect the Fermi surface, leading to large Berry curvature effects without fine-tuning the chemical potential. In this work, we propose a strategy that utilizes strai…

Exploring selection biases in FRB dispersion-galaxy cross-correlations with magnetohydrodynamical simulations
April Qiu Cheng, Shion Elizabeth Andrew, Haochen Wang, Kiyoshi W. Masui
https://arxiv.org/abs/2506.03258

Exploring selection biases in FRB dispersion-galaxy cross-correlations with magnetohydrodynamical simulations
The dispersion of fast radio bursts (FRBs) in conjunction with their redshifts can be used as powerful probes of the distribution of extragalactic plasma, and with a large enough sample, the free-electron--galaxy power spectrum $P_{eg}$ can be measured by cross-correlating FRB dispersions with galaxy positions. However, a precise measurement of $P_{eg}$ requires a careful investigation of the selection effects -- the fact that the probability of both observing the FRB dispersion measure and obt…

This https://arxiv.org/abs/2411.11832 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

Effects of Metallicity on Graphite, TiC, and SiC Condensation in Carbon Stars
From transmission electron microscopy and other laboratory studies of presolar grains, the implicit condensation sequence of carbon-bearing condensates in circumstellar envelopes of carbon stars is (from first to last) TiC-graphite-SiC. We use thermochemical equilibrium condensation calculations and show that the condensation sequence of TiC, graphite, and SiC depends on metallicity in addition to C/O ratio and total pressure. Calculations were performed for a characteristic carbon star ratio o…

Sheath electron heating in surface wave discharges driven at microwave frequencies
Denis Eremin, Andrew T. Powis, Igor D. Kaganovich
https://arxiv.org/abs/2506.04010

Sheath electron heating in surface wave discharges driven at microwave frequencies
Using fully electromagnetic particle-in-cell/Monte Carlo simulations, the electron heating due to interaction with a moving sheath is demonstrated to dominate in surface wave-driven discharges at microwave frequencies and relatively low pressures. Electrons impinging on the rapidly expanding sheath gain energy by repulsion from its strongly negative potential, similarly to the corresponding mechanism in capacitively coupled discharges driven at radio frequencies. This results in generation of e…

This https://arxiv.org/abs/2411.16258 has been replaced.
initial toot: https://mastoxiv.page/@ar…

Measurement of the Resolution of the Timepix4 Detector for 100 keV and 200 keV Electrons for Transmission Electron Microscopy
We have evaluated the imaging capabilities of the Timepix4 hybrid silicon pixel detector for 100 keV and 200 keV electrons in a Transmission Electron Microscope (TEM). Using the knife-edge method, we have measured the Modulation Transfer Function (MTF) at both energies. Our results show a decrease in MTF response at Nyquist (spatial) frequency, dropping from approximately 0.16 at 100 keV to 0.0046 at 200 keV. However, by using the temporal structure of the detected events, including the arrival…

Superatomic hydrogen: achieving effective aggregation of hydrogen atoms at pressures lower than that of metallic hydrogen
Jia Fan, Chenxi Wan, Rui Liu, Zhen Gong, Hongbo Jing, Baiqiang Liu, Siyang Liu, Zhigang Wang
https://arxiv.org/abs/2506.03463

Superatomic hydrogen: achieving effective aggregation of hydrogen atoms at pressures lower than that of metallic hydrogen
Metal hydrogen exhibiting electron delocalization properties has been recognized as an important prospect for achieving controlled nuclear fusion, but the extreme pressure conditions required exceeding hundreds of GPa remain a daunting challenge. Here, we propose a model of superatomic hydrogen, aiming to reduce the pressure conditions required for the effective aggregation of elemental hydrogen atoms. High-precision ab initio calculations indicate that the pressure required to compress the H13…

Emergent gravity and gravitational lensing in quantum materials
Yugo Onishi, Nisarga Paul, Liang Fu
https://arxiv.org/abs/2506.04335 https://

Emergent gravity and gravitational lensing in quantum materials
We show that an effective gravitational field naturally emerges in quantum materials with long-wavelength spin (or pseudospin) textures. When the itinerant electrons' spin strongly couples to the background spin texture, it effectively behaves as a spinless particle in a curved space, with the curvature arising from quantum corrections to the electron's spin orientation. The emergent gravity gives rise to the electron lensing effect, an analog of the gravitational lensing. Our work shows that n…

Control of intervalley scattering in Bi$_2$Te$_3$ via temperature-dependent band renormalization
A. Jabed, F. Goto, B. Frimpong, D. Armanno, A. Longa, M. Michiardi, A. Damascelli, P. Hofmann, G. Jargot, H. Ibrahim, F. L\'egar\'e, N. Gauthier, S. Beaulieu, F. Boschini
https://arxiv.org/abs/2506.03251

Control of intervalley scattering in Bi$_2$Te$_3$ via temperature-dependent band renormalization
The control of out-of-equilibrium electron dynamics in topological insulators is essential to unlock their potential in next-generation quantum technologies. However, the role of temperature on the renormalization of the electronic band structure and, consequently, on electron scattering processes is still elusive. Here, using high-resolution time- and angle-resolved photoemission spectroscopy (TR-ARPES), we show that even a modest ($\sim$15 meV) renormalization of the conduction band of Bi$_2$…

Image-based physical characterization of magnetotactic bacteria from an environmental sample
Mara Smite, Mihails Birjukovs, Mila Sirinelli-Kojadinovic, Sandrine Grosse, Agnese Kokina, Janis Liepins, Dita Gudra, Megija Lunge, Davids Fridmanis, Mihaly Posfai, Andrejs Cebers, Damien Faivre, Guntars Kitenbergs
https://arxiv.org/abs/…

Image-based physical characterization of magnetotactic bacteria from an environmental sample
Magnetotactic bacteria (MTB) are a diverse group of microorganisms that are able to biomineralize magnetic nanoparticles. Most MTB remain uncultured, making population-level characterization from natural environments difficult. We report the discovery of a new and diverse MTB-rich site in the Ogre River, Latvia, and present an integrated approach combining 16S rRNA sequencing, transmission electron microscopy, and novel open-source, automated image-based physical methods to characterize bacteri…

Rydberg Atomic Receivers for Multi-Band Communications and Sensing
Mingyao Cui, Qunsong Zeng, Zhanwei Wang, Kaibin Huang
https://arxiv.org/abs/2505.24168 h…

Rydberg Atomic Receivers for Multi-Band Communications and Sensing
Harnessing multi-level electron transitions, Rydberg Atomic Receivers (RAREs) can detect wireless signals across a wide range of frequency bands, from Megahertz to Terahertz, enabling multi-band communications and sensing (C&S). Current research on multi-band RAREs primarily focuses on experimental demonstrations, lacking an interpretable model to mathematically characterize their mechanisms. This issue leaves the multi-band RARE as a black box, posing challenges in its practical C&S applicatio…

The stability of independence polynomials of complete bipartite graphs
Guo Chen, Bo Ning, Jianhua Tu
https://arxiv.org/abs/2505.24381 https://

The stability of independence polynomials of complete bipartite graphs
The independence polynomial of a graph is termed {\it stable} if all its roots are located in the left half-plane $\{z \in \mathbb{C} : \mathrm{Re}(z) \leq 0\}$, and the graph itself is also referred to as stable. Brown and Cameron (Electron. J. Combin. 25(1) (2018) \#P1.46) proved that the complete bipartite graph $K_{1,n}$ is stable and posed the question: \textbf{Are all complete bipartite graphs stable?} We answer this question by establishing the following results: \begin{itemize} \i…

Study of atomic effects on electron spectrum in bound-muon decay process
M. Y. Kaygorodov, Y. S. Kozhedub, A. V. Malyshev, A. O. Davydov, Y. Wu, S. B. Zhang
https://arxiv.org/abs/2506.02416

Localised and Delocalised Charge Distribution in a Diamine Cation and Rydberg Excited State: A Challenging Test for Density Functionals
Benedikt O. Birgisson, Marta Ga{\l}y\'nska, Hemanadhan Myneni, Elvar \"O. J\'onsson, Ragnar Bjornsson, Hannes J\'onsson
https://arxiv.org/abs/2506.05077

Localised and Delocalised Charge Distribution in a Diamine Cation and Rydberg Excited State: A Challenging Test for Density Functionals
The balance between localised and delocalised electron distribution in the N,N'-dimethylpiperazine (DMP) molecule in the 3s Rydberg excited state and in the fully ionised DMP$^+$ provides a valuable test of density functionals, in particular the weight of Fock exchange (FE) in hybrid functionals and the scaling of explicit orbital-based self-interaction correction (SIC) applied to less elaborate functionals. We present results of calculations using density functionals of all rungs of Jacob's la…

This https://arxiv.org/abs/2505.23460 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_qu…

Spin polarized enantio-sensitive multipolar photoelectron currents
Photoelectron circular dichroism (PECD) manifests as a forward-backward asymmetry of electron emission in the direction orthogonal to the light polarization plane via one-photon ionization of chiral molecules with circularly polarized light. Multi-polar `PECD' currents, i.e., currents resolved along multiple directions, have also been predicted using two mutually-orthogonal linearly polarized light with carrier frequencies $ω$ and $2ω$. These currents arise from the interference between the o…

Ultrafast Orbital-Selective Photodoping Melts Charge Order in Overdoped Bi-based Cuprates
Xinyi Jiang, Qizhi Li, Qingzheng Qiu, Li Yue, Junhan Huang, Yiwen Chen, Byungjune Lee, Hyeongi Choi, Xingjiang Zhou, Tao Dong, Nanlin Wang, Hoyoung Jang, Yingying Peng
https://arxiv.org/abs/2506.04697…

Ultrafast Orbital-Selective Photodoping Melts Charge Order in Overdoped Bi-based Cuprates
High-temperature superconductivity in cuprates remains one of the enduring puzzles of condensed matter physics, with charge order (CO) playing a central yet elusive role, particularly in the overdoped regime. Here, we employ time-resolved X-ray absorption spectroscopy and resonant X-ray scattering at a free-electron laser to probe the transient electronic density of states and ultrafast CO dynamics in overdoped (Bi,Pb)$_{2.12}$Sr$_{1.88}$CuO$_{6+δ}$. We reveal a striking pump laser wavelength …

This https://arxiv.org/abs/2410.02908 has been replaced.
initial toot: https://mastoxiv.page/@a…

Magnon spectroscopy in the electron microscope
The miniaturisation of transistors is approaching its limits due to challenges in heat management and information transfer speed. To overcome these obstacles, emerging technologies such as spintronics are being developed, which leverage the electron's spin in addition to its charge. Local phenomena at interfaces or structural defects will greatly influence the efficiency of spin-based devices, making the ability to study and control spin wave propagation at the nano- and atomic scales a key cha…

@loki@jorijn.dev The number of times I've downloaded a game, only to have electron throw an error that 'Actor01.png could not be located', only to see the file is called `actor01.png`...

Ok nerds... here's a great site that breaks down the circuits in pedals, the example here being the MXR Phase 90
#GearSquad #guitar #GuitarEffects

New Physics Search at the CEPC: a General Perspective
Stefan Antusch, Peter Athron, Daniele Barducci, Long Chen, Mingshui Chen, Xiang Chen, Huajie Cheng, Kingman Cheung, Joao Guimaraes da Costa, Arindam Das, Frank F. Deppisch, P. S. Bhupal Dev, Xiaokang Du, Yong Du, Yaquan Fang, Andrew Fowlie, Yu Gao, Bruce Mellado Garcia, Shao-Feng Ge, Jiayin Gu, Yu-Chen Guo, Jan Hajer, Chengcheng Han, Tao Han, Sven Heinemeyer, Fa Peng Huang, Yanping Huang, Jianfeng Jiang, Shan Jin, Liang Li, Lingfeng…

New Physics Search at the CEPC: a General Perspective
The Circular Electron-Positron Collider (CEPC), a proposed next-generation Higgs factory, provides new opportunities to explore physics beyond the Standard Model (SM). With its clean electron-positron collision environment and the ability to collect large samples of Higgs, W, and Z bosons, the CEPC enables precision measurements and searches for new physics. This white paper outlines the CEPC's discovery potential, including studies of exotic decays of the Higgs, Z, and top quarks, dark matter …

This https://arxiv.org/abs/2503.19194 has been replaced.
initial toot: https://mastoxiv.page/@a…

Lorenz ratios of diagonal and Hall conductivities in a Dirac electron liquid
The magnetotransport properties of a two-dimensional electron liquid in graphene are analyzed in the hydrodynamic limit under isothermal conditions. It is shown that the Wiedemann-Franz law does not hold in this regime and that the Lorenz ratios constructed from the diagonal and Hall conductivities generally differ from each other. The breakdown of the Wiedemann-Franz law is most pronounced near charge neutrality, where the Lorenz ratio can exceed its nominal universal Sommerfeld value by an or…

Investigating the leptonic couplings of doubly charged scalars at the muon collider
Nivedita Ghosh, Santosh Kumar Rai, Tousik Samui, Agnivo Sarkar
https://arxiv.org/abs/2506.00966

Investigating the leptonic couplings of doubly charged scalars at the muon collider
We study the lepton flavour conserving and violating couplings of a doubly charged scalar at a 3 TeV muon collider. Using a model independent Lagrangian, we analyse the electron electron, muon muon, and tau tau final states mediated by the doubly charged scalar to probe individual couplings to mu e, mu mu, and mu tau. We find that for a doubly charged scalar of mass greater than 1 TeV and order one couplings, we achieve high signal significance in these channels. We delineate the collider s sen…

Instantons and topological order in two-leg electron ladders: A universality class
S. -R. Eric Yang, Hyun Cheol Lee, Hoang-Anh Le, In-Hwan Lee
https://arxiv.org/abs/2505.24130

Instantons and topological order in two-leg electron ladders: A universality class
Our numerical study of the disordered Hubbard model with nearest-neighbor hopping shows that a two-leg electron ladder has a finite topological entanglement entropy in the regime where the density of states exhibits an exponentially decaying gap. The value of the topological entanglement entropy suggests that two-leg ladders belong to the same universality class as graphene zigzag nanoribbons, despite several structural differences. A Shankar-Witten-type bosonization Lagrangian with disorder ca…

Resonance density range governs two-plasmon decay saturation and enables hot-electron prediction in inertial confinement fusion
C. Yao, J. Li, L. Hao, R. Yan, T. Tao, G-N. Zheng, Q. Jia, Y-K. Ding, J. Zheng
https://arxiv.org/abs/2505.24607

Resonance density range governs two-plasmon decay saturation and enables hot-electron prediction in inertial confinement fusion
The saturation level of parametric instabilities critically determines their impact on fusion plasmas. We identify the resonance density range of two-plasmon decay as the critical parameter governing nonlinear saturation of ion density fluctuations and Langmuir waves, which drive hot-electron generation. Using this insight, we develop a predictive scaling model for the hot-electron energy fraction f_{hot} that depends only on the laser intensity I, with plasma conditions encoded via plasma abla…

Bayesian network 3D event reconstruction in the Cygno optical TPC for dark matter direct detection
Fernando Domingues Amaro, Rita Antonietti, Elisabetta Baracchini, Luigi Benussi, Stefano Bianco, Francesco Borra, Cesidio Capoccia, Michele Caponero, Gianluca Cavoto, Igor Abritta Costa, Antonio Croce, Emiliano Dan\'e, Melba D'Astolfo, Giorgio Dho, Flaminia Di Giambattista, Emanuele Di Marco, Giulia D'Imperio, Matteo Folcarelli, Joaquim Marques Ferreira dos Santos, Davide Fior…

Bayesian network 3D event reconstruction in the Cygno optical TPC for dark matter direct detection
The CYGNO experiment is developing a high-resolution gaseous Time Projection Chamber with optical readout for directional dark matter searches. The detector uses a helium-tetrafluoromethane (He:CF$_4$ 60:40) gas mixture at atmospheric pressure and a triple Gas Electron Multiplier amplification stage, coupled with a scientific camera for high-resolution 2D imaging and fast photomultipliers for time-resolved scintillation light detection. This setup enables 3D event reconstruction: photomultiplie…

Accurate grain boundary plane distributions for textured microstructures from stereological analysis of orthogonal two-dimensional electron backscatter diffraction orientation maps
Martin Folwarczny, Ao Li, Rushvi Shah, Aaron Chote, Alexandra C. Austin, Yimin Zhu, Gregory S. Rohrer, Michael A. Jackson, Souhardh Kotakadi, Katharina Marquardt
https://

Accurate grain boundary plane distributions for textured microstructures from stereological analysis of orthogonal two-dimensional electron backscatter diffraction orientation maps
We present a method for obtaining qualitatively accurate grain boundary plane distributions (GBPD) for textured microstructures using a stereological calculation applied to two-dimensional electron backscatter diffraction (EBSD) orientation maps. Stereology, applied to 2D EBSD orientation maps, is currently the fastest method of obtaining GBPDs. Existing stereological methods are not directly applicable to textured microstructures because of the biased viewing perspectives for different grain b…

This https://arxiv.org/abs/2407.20384 has been replaced.
initial toot: https://mastoxiv.page/@ar…

Unified Deep Learning Framework for Many-Body Quantum Chemistry via Green's Functions
Quantum many-body methods provide a systematic route to computing electronic properties of molecules and materials, but high computational costs restrict their use in large-scale applications. Due to the complexity in many-electron wavefunctions, machine learning models capable of capturing fundamental many-body physics remain limited. Here, we present a deep learning framework targeting the many-body Green's function, which unifies predictions of electronic properties in ground and excited sta…

This https://arxiv.org/abs/2504.19845 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

Synchrotron Circular Polarization in Gamma-Ray Burst Prompt Optical Emission: Relativistic Thermal Electron Contribution
Synchrotron circular polarization of a non-thermal power-law electron distribution in gamma-ray bursts (GRBs) has been studied. However, some numerical simulations have shown that the resulting distribution of electrons is a combination of a thermal component and a non-thermal power-law component. In this paper, we investigate synchrotron circular polarization using such a hybrid energy distribution of relativistic thermal and nonthermal electrons within a globally toroidal magnetic field in GR…

Spinless and spinful charge excitations in moir\'e Fractional Chern Insulators
Miguel Gon\c{c}alves, Juan Felipe Mendez-Valderrama, Jonah Herzog-Arbeitman, Jiabin Yu, Xiaodong Xu, Di Xiao, B. Andrei Bernevig, Nicolas Regnault
https://arxiv.org/abs/2506.05330

Spinless and spinful charge excitations in moiré Fractional Chern Insulators
Fractionally charged elementary excitations, the quasi-electron and quasi-hole, are one of the hallmarks of the fractional Chern insulator (FCI). In this work, we observe that spontaneous spin polarization in twisted MoTe$_2$ leads to multiple species of low-energy quasi-particles distinguished by their spin quantum numbers. We perform large-scale exact diagonalization (ED) calculations to investigate the nature of these excitations and develop a method to extract their fundamental energetic pr…

This https://arxiv.org/abs/2504.08625 has been replaced.
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A simple method for detection and quantitative estimation of deep levels in a barrier layer of AlGaN/GaN HEMT structures by analysis of light induced threshold voltage shift
The characterization of deep levels in AlGaN/GaN heterostructures is one of the most important problems in GaN high electron mobility transistors (HEMTs) technology. This work reports on a technique for determination of deep level concentration in AlGaN/GaN HEMT structures. The proposed method is relatively simple, and it is based on the detection of free holes created by optically induced transitions of electrons from the deep levels to the conduction band. The developed method can detect and …

$^{229}$Th Nuclear Spectroscopy in an Opaque Material: Laser-Based Conversion Electron M\"ossbauer Spectroscopy of $^{229}$ThO$_2$
Ricky Elwell, James E. S. Terhune, Christian Schneider, Harry W. T. Morgan, Hoang Bao Tran Tan, Udeshika C. Perera, Daniel A. Rehn, Marisa C. Alfonso, Lars von der Wense, Benedict Seiferle, Kevin Scharl, Peter G. Thirolf, Andrei Derevianko, Eric R. Hudson

This https://arxiv.org/abs/2503.04560 has been replaced.
initial toot: https://mastoxiv.page/@a…

Nonlinear electron-phonon interactions in Migdal-Eliashberg theory
Superconducting systems based on attractive electron-phonon interactions are the ones which are best understood at a fundamental level. They are well described using Eliashberg theory, which, unlike BCS theory, explicitly takes into account phonon dynamics. It is most often assumed that only linear electron-phonon interactions are relevant. However, for some superconductors like MgB$_2$ or hydride based superconductors, nonlinear electron-phonon interactions are known to contribute significantl…

Strongly Correlated Transport in Topological Y-Junction Devices
E. Novais
https://arxiv.org/abs/2506.05051 https://arxiv.org/pdf/2506…

Strongly Correlated Transport in Topological Y-Junction Devices
I study electron transport through a Y-shaped junction of helical edge states in a two-dimensional topological insulator (2DTI), focusing on the strongly interacting regime. An experimentally accessible device geometry is proposed, and the corresponding conductance tensor is calculated. These results position Y-junctions of 2DTI as promising platforms for interaction-driven transport and nanoscale device applications in spintronics and topological electronics.

This https://arxiv.org/abs/2503.10025 has been replaced.
initial toot: https://mastoxiv.page/@ar…

A Demonstration of Slowed Electron ${\bf E} \times {\bf B}$ Drift for PTOLEMY
To resolve the effective neutrino mass $m_β$ with an energy resolution of 50 meV, the PTOLEMY experiment has proposed a novel transverse electromagnetic filtering process. Perniciously reducing the kinetic energy of tritium $β$-decay electrons by counteracting motion from ${\bf E}$ $\times$ ${\bf B}$ and $\nabla{\rm B}$ drift, the PTOLEMY filter requires an input of emitted electron kinematic information to generate a tailored, suitable electric field for each endpoint candidate. The collabor…

Electron-positron pair annihilation in kinetic plasma
Haidar Al-Naseri
https://arxiv.org/abs/2505.22891 https://arxiv.org/pdf/2505.22…

Electron-positron pair annihilation in kinetic plasma
The process of electron positron pair annihilation, driven by strong fields (Inverse Schwinger mechanism) and high-frequency waves, is studied using the Dirac Heisenberg Wigner formalism. In an electron positron plasma, the presence of a strong field leads to both pair creation and annihilation. Depending on plasma properties such as non-degeneracy and the momentum distribution, pair annihilation can dominate over pair creation. The energy released from annihilated pairs can lead to an enhancem…

This https://arxiv.org/abs/2308.12005 has been replaced.
initial toot: https://mastoxiv.page/@arX…

Delay Update in determinant quantum Monte Carlo
Determinant quantum Monte Carlo (DQMC) is a widely used unbiased numerical method for simulating strongly correlated electron systems. However, the update process in DQMC is often a bottleneck for its efficiency. To address this issue, we propose a generalized delay update scheme that can handle both onsite and extended interactions. Our delay update scheme can be implemented in both zero-temperature and finite-temperature versions of DQMC. We apply the delay update scheme to various strongly c…

This https://arxiv.org/abs/2506.00353 has been replaced.
initial toot: https://mastoxiv.page/@arX…

ILC250 Cost Update - 2024
The International Linear Collider was conceived as a global project for an energy-frontier electron-positron collider.It employs superconducting RF and nano-beam technologies with a center-of-mass energy of 500 GeV. Its cost was estimated in 2013, based on the Technical Design Report published in 2013.Japan's high-energy community proposed to host the ILC in Japan as a Higgs boson factory at 250 GeV in its first phase, and a revised cost estimate was conducted in 2017 to host it in Japan. Howev…

This https://arxiv.org/abs/2501.09651 has been replaced.
initial toot: https://mastoxiv.page/@a…

Electron scale magnetic holes generation driven by Whistler-to-Bernstein mode conversion in fully kinetic plasma turbulence
Magnetic holes (MHs) are coherent structures characterized by a strong and localized magnetic field amplitude dip, commonly observed in the solar wind and planetary magnetosheaths. These structures come in different sizes, from magnetohydrodynamic to kinetic scales. Magnetospheric Multiscale (MMS) observations have revealed electron scale MHs to be ubiquitous in the turbulent Earth's magnetosheath, potentially playing an important role in the energy cascade and dissipation. Despite abundant obs…

Search for millicharged particles in proton-proton collisions at $\sqrt{s} = 13.6$ TeV
S. Alcott, Z. Bhatti, J. Brooke, C. Campagnari, M. Carrigan, M. Citron, R. De Los Santos, A. De Roeck, C. Dorofeev, T. Du, J. Goldstein, F. Golf, N. Gonzalez, A. Haas, J. Heymann, C. S. Hill, D. Imani, M. Joyce, K. Larina, R. Loos, S. Lowette, H. Mei, D. W. Miller, B. Peng, S. N. Santpu, I. Reed, E. Schaffer, R. Schmitz, J. Steenis, D. Stuart, J. S. Tafoya Vargas, D. Vannerom, T. Wybouw, Z. Xiao, H. …

Search for millicharged particles in proton-proton collisions at $\sqrt{s} = 13.6$ TeV
We report on a search for elementary particles with charges much smaller than the electron charge using a data sample of proton-proton collisions provided by the CERN Large Hadron Collider in 2023--24, corresponding to an integrated luminosity of 124.7~fb$^{-1}$ at a center-of-mass energy of 13.6~TeV. The analysis presented uses the completed Run 3 milliQan bar detector to set the most stringent constraints to date for particles with charges $\leq0.24~\rm{e}$ and masses $\geq0.45~\rm{GeV}$.

This https://arxiv.org/abs/2405.20490 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_nuc…

Simultaneous impacts of nuclear shell structure and collectivity on $β$ decay: Evidence from $^{80}$Ga$_{49}$
The Gamow-Teller strength distribution covering the entire $β$-decay window, up to 10.312(4) MeV, of $^{80g+m}$Ga was measured for the first time in photo fission of UC$_x$ induced by a 50 MeV electron beam. The new data show significant enhancement in the high-energy region with a jump structure. Simultaneously, the $γ$ deexciting behavior of $β$-populated states presents a competition between deexcitation to 2$_1^+$ [$β_2$ = 0.155(9)] and to 2$_2^+$ [$β_2$ = 0.053$_{0.009}^{0.008}$)] in …

This https://arxiv.org/abs/2412.13800 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hepp…

$e^+ e^- \to μ^+ μ^-$ in the Asymptotically Safe Standard Model
We study the electron-positron to muon--anti-muon cross-section in the asymptotically safe Standard Model. In particular, we include the graviton contributions to the scattering amplitude, which is computed from momentum-dependent timelike one-particle-irreducible correlation functions. Specifically, we employ reconstruction techniques for the graviton spectral functions. We find that the full asymptotically safe quantum cross section decreases in the ultraviolet with the centre-of-mass energy,…

Correlating Superconducting Qubit Performance Losses to Sidewall Near-Field Scattering via Terahertz Nanophotonics
Richard H. J. Kim, Samuel J. Haeuser, Joong-Mok Park, Randall K. Chan, Jin-Su Oh, Thomas Koschny, Lin Zhou, Matthew J. Kramer, Akshay A. Murthy, Mustafa Bal, Francesco Crisa, Sabrina Garattoni, Shaojiang Zhu, Andrei Lunin, David Olaya, Peter Hopkins, Alex Romanenko, Anna Grassellino, Jigang Wang

Correlating Superconducting Qubit Performance Losses to Sidewall Near-Field Scattering via Terahertz Nanophotonics
Elucidating dielectric losses, structural heterogeneity, and interface imperfections is critical for improving coherence in superconducting qubits. However, most diagnostics rely on destructive electron microscopy or low-throughput millikelvin quantum measurements. Here, we demonstrate noninvasive terahertz (THz) nano-imaging/-spectroscopy of encapsulated niobium transmon qubits, revealing sidewall near-field scattering that correlates with qubit coherence. We further employ a THz hyperspectral…

Empirical scaling laws for self-focused laser pulses in nitrogen plasmas
Lorenzo Martelli, Igor Andriyash, Jonathan Wheeler, Henri Kraft, Xuan Quyen Dinh, C\'edric Thaury
https://arxiv.org/abs/2506.04827

Empirical scaling laws for self-focused laser pulses in nitrogen plasmas
We investigate the interaction between a superintense laser pulse and a nitrogen plasma with densities exceeding $10^{19}\,$cm$^{-3}$, using particle-in-cell simulations. Such configurations have recently demonstrated the capability to produce highly charged electron beams (i.e., $>10\,$nC) with $1\,$J-class lasers, a significant step toward high-average-current laser-plasma accelerators. Our study focuses on analyzing the impact of laser self-focusing on laser dynamics, leading to scaling laws…

Interplay between ultrafast electronic and librational dynamics in liquid nitrobenzene probed with two-color four-wave mixing
Niranjan Shivaram, Richard Thurston, Ali Belkacem, Thorsten Weber, Liang Z. Tan, Daniel S. Slaughter
https://arxiv.org/abs/2506.04160

Interplay between ultrafast electronic and librational dynamics in liquid nitrobenzene probed with two-color four-wave mixing
We present an experimental and theoretical study of the interplay between ultrafast electron dynamics and librational dynamics in liquid nitrobenzene. A femtosecond ultraviolet pulse and two femtosecond near infrared pulses interact with nitrobenzene molecules, generating a four-wave mixing nonlinear signal that is measured in the Optical Kerr Effect geometry. The near infrared nonlinear signal is measured to be non-zero only at negative time delays, corresponding to the near infrared pulses ar…

This https://arxiv.org/abs/2505.20448 has been replaced.
initial toot: https://mastoxiv.page/@arX…

In situ photoemission study of collective electronic phase transition in VO2-based heterostructures
We investigated the origin of collective electronic phase transitions induced at the heterointerface between monoclinic insulating (MI) VO2 and rutile metallic (RM) electron-doped VO2 layers using in situ soft x-ray photoelectron spectroscopy (SXPES) on nanoscale VO2/V0.99W0.01O2 (001)R bilayers. Thanks to the surface sensitivity of SXPES, we determined the changes in the electronic structure and V-V dimerization in each constituent layer separately. The selective observation of the electronic …

This https://arxiv.org/abs/2501.02544 has been replaced.
initial toot: https://mastoxiv.page/@a…

Investigation of magnetic ordering with spin reorientation transition and optical properties in Dy$_2$CoCrO$_6$ nanomaterials
This study reports the synthesis and physical properties of polycrystalline Dy$_2$CoCrO$_6$ (DCCO) nanoparticles. Analysis of the powder X-ray diffraction (XRD) pattern using Rietveld refinement showed that the compound crystallizes in an orthorhombic crystal structure with a space group Pbnm. The particle size of approximately 57 nm was confirmed through micrographs obtained from field emission scanning electron microscopy and transmission electron microscopy. The X-ray photoelectron spectrosc…

Phonon-Mediated Intrinsic Topological Superconductivity in Fermi Arcs
Kristian M{\ae}land, Masoud Bahari, Bj\"orn Trauzettel
https://arxiv.org/abs/2506.03250

Phonon-Mediated Intrinsic Topological Superconductivity in Fermi Arcs
We propose that phonons can mediate topological superconductivity on the surface of Weyl semimetals. Weyl semimetals are gapless topological materials with nondegenerate zero energy surface states known as Fermi arcs. We derive the phonon spectrum and electron-phonon coupling in an effective model of a Weyl semimetal and apply weak-coupling Bardeen-Cooper-Schrieffer theory of superconductivity. In a slab geometry, we demonstrate that surface superconductivity dominates over bulk superconductivi…

New measurement of D0 and D meson masses with the KEDR detector
Collaboration, Anashin, Anchugov, Andrianov, Astrelina, Aulchenko, Baldin, Baranov, Barladyan, Barnyakov, Barnyakov, Baru, Basok, Batrakov, Bedny, Bekhtenev, Belikov, Berkaev, Blinov, Blinov, Blinov, Bobrov, Bobrovnikov, Bogomyagkov, Bolkhovityanov, Eidelman, Bondar, Bondarev, Buzykaev, Cheblakov, Dorohov, Emanov, Gambaryan, Glukhovchenko, Grigoriev, Gulevich, Gusev, Kaminskiy, Karnaev, Karpov, Karpov, Karukina, Kashtanki…

New measurement of D0 and D+ meson masses with the KEDR detector
Using the 4.9 pb$^{-1}$ statistics collected at the peak of the $ψ(3770)$ resonance with the KEDR detector at the VEPP-4M electron-positron collider, we measured the masses of the neutral and charged D mesons: $M_{D^0} = 1865.100 \pm 0.210 (stat) \pm 0.046 (syst) MeV,$ and $M_{D^+} = 1869.560 \pm 0.288 (stat) \pm 0.109 (syst) MeV$.

Field-controlled Electronic Breathing Modes and Transport in Nanoporous Graphene
Alan Anaya, Mads Brandbyge
https://arxiv.org/abs/2506.04966 https://

Field-controlled Electronic Breathing Modes and Transport in Nanoporous Graphene
Nanoporous graphene (NPG) has been fabricated by on-surface-self assembly in the form of arrays of apporx. 1 nm-wide graphene nanoribbons connected via molecular bridges in a two-dimensional crystal lattice. It is predicted that NPG may, despite its molecular structure, work as electron waveguides that display e.g. Talbot wave interference. Here, we demonstrate how the electronic wave guidance may be controlled by the use of electrical fields transverse to the ribbons; at low fields, point inje…

Reaching extreme fields in laser-electron beam collisions with XUV laser light
Brandon K. Russell, Christopher P. Ridgers, Stepan S. Bulanov, Kyle G. Miller, Christopher Arran, Thomas G. Blackburn, Sergei V. Bulanov, Gabriele M. Grittani, John P. Palastro, Qian Qian, Alexander G. R. Thomas
https://arxiv.org/abs/2506.01727…

Reaching extreme fields in laser-electron beam collisions with XUV laser light
Plasma-based particle accelerators promise to extend the revolutionary work performed with conventional particle accelerators to studies with smaller footprints, lower costs, and higher energies. Here, we propose a new approach to access an unexplored regime of strong-field quantum electrodynamics by plasma wakefield acceleration of both charged particles and photons. Instead of using increasingly powerful accelerators and lasers, we show that photon acceleration of optical pulses into the extr…

This https://arxiv.org/abs/2505.16768 has been replaced.
initial toot: https://mastoxiv.page/@arX…

High-Efficiency Plasma-Based Compressor for Ultrafast Soft X-ray Free-Electron Lasers
The generation of intense, femtosecond-scale X-ray pulses is crucial for probing matter under extreme temporal and field conditions. Current chirped-pulse amplification (CPA) techniques in free-electron lasers (FELs), however, face efficiency limitations in the soft X-ray regime due to the inherent constraints of conventional optical compressors. To address this challenge, we propose a high-efficiency plasma-based compressor utilizing highly ionized noble gas plasma. Exploiting strong refractiv…

MC-PDFT Nuclear Gradients and L-PDFT Energies with Meta and Hybrid Meta On-Top Functionals for Ground- and Excited-State Geometry Optimization and Vertical Excitation Energies
Matthew R. Hennefarth, Younghwan Kim, Bhavnesh Jangid, Jacob Wardzala, Matthew R. Hermes, Donald G. Truhlar, Laura Gagliardi
https://arxiv.org/abs/2506.03…

MC-PDFT Nuclear Gradients and L-PDFT Energies with Meta and Hybrid Meta On-Top Functionals for Ground- and Excited-State Geometry Optimization and Vertical Excitation Energies
Multiconfiguration pair-density functional theory (MC-PDFT) is a post-MCSCF multireference electronic-structure method that explicitly models strong electron correlation, and linearized pair-density functional theory (L-PDFT) is a recently developed multi-state extension that can accurately model conical intersections and locally-avoided crossings. Because MC-PDFT and L-PDFT rely on an on-top energy functional, their accuracy depends on the quality of the on-top functional used. Recent work has…

This https://arxiv.org/abs/2409.02500 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_qu…

Geometry of chiral temporal structures I: Physical effects
In non-relativistic physics, the concepts of geometry and topology are usually applied to characterize spatial structures or structures in momentum space. We introduce the concept of temporal geometry, which encompasses the geometric and topological properties of temporal shapes, i.e. trajectories traced by the tip of a time-dependent vector in vector space. We apply it to vectors describing ultrafast electron currents or induced polarization in chiral molecules. The central concepts of tempora…

This https://arxiv.org/abs/2411.10778 has been replaced.
initial toot: https://mastoxiv.page/@a…

Three-body Fermi liquid corrections for an infinite-$U$ SU($N$) Anderson impurity model
We study the three-body Fermi liquid effects in the SU($N$) Anderson impurity model in the strong interaction limit where the occupation number $N_d^{}$ of the impurity levels varies over the range of $0

Probing the semiconductor-to-dirac semimetal transition in Na-Sb-Bi alloys with x-ray Compton scattering
Aki Pulkkinen, Veenavee Nipunika Kothalawala, Kosuke Suzuki, Bernardo Barbiellini, Johannes Nokelainen, Wei-Chi Chiu, Bahadur Singh, Hsin Lin, Alok K. Pandey, Naoaki Yabuuchi, Naruki Tsuji, Yoshiharu Sakurai, Hiroshi Sakurai, J\'an Min\'ar, Arun Bansil

Probing the semiconductor-to-dirac semimetal transition in Na-Sb-Bi alloys with x-ray Compton scattering
We discuss electron redistribution during the Semiconductor-to-Dirac Semimetal transition in Na-Sb-Bi alloys using x-ray Compton scattering experiments combined with first-principles electronic structure modeling. A robust signature of the semiconductor-to-Dirac semimetal transition is identified in the spherically averaged Compton profile. We demonstrate how the number of electrons involved in this transition can be estimated to provide a novel descriptor for quantifying the strength of spin-o…

Atomic-scale mapping of interfacial phonon modes in epitaxial YBa2Cu3O7-{\delta} / (La,Sr)(Al,Ta)O3 thin films: The role of surface phonons
Joaquin E. Reyes Gonzalez, Charles Zhang, Rainni K. Chen, John Y. T. Wei, Maureen J. Lagos
https://arxiv.org/abs/2506.02237

Atomic-scale mapping of interfacial phonon modes in epitaxial YBa2Cu3O7-δ / (La,Sr)(Al,Ta)O3 thin films: The role of surface phonons
We investigate the behavior of phonons at the epitaxial interface between YBa2Cu3O7-δ thin film and (La,Sr)(Al,Ta)O3 substrate using vibrational electron energy loss spectroscopy. Interfacial phonon modes with different degrees of scattering localization were identified. We find evidence that surface contributions from the surrounding environment can impose additional scattering modulation into local EELS measurements at the interface. A method to remove those contributions is then used to iso…

This https://arxiv.org/abs/2503.09557 has been replaced.
initial toot: https://mastoxiv.page/@arX…

Collider-quality electron bunches from an all-optical plasma photoinjector
We present a novel approach for generating collider-quality electron bunches using a plasma photoinjector. The approach leverages recently developed techniques for the spatiotemporal control of laser pulses to produce a moving ionization front in a nonlinear plasma wave. The moving ionization front generates an electron bunch with a current profile that balances the longitudinal electric field of an electron beam-driven plasma wave, creating a uniform accelerating field across the bunch. Partic…

This https://arxiv.org/abs/2504.03116 has been replaced.
initial toot: https://mastoxiv.page/@a…

Electron Penetration Acceleration in Turbulent Magnetic Loops
Using particle-in-cell simulations to study fast radio burst (FRB) propagation in a tenuous plasma, we identified a novel mechanism that occurs during the growth of turbulent magnetic loops: electron penetration acceleration. The loops have an electromagnetic left-hand chirality distinct from that of well-known quasistatic magnetic islands. The fast electrons penetrate through the loops and thus are accelerated to unexpected relativistic energies due to the symmetry breaking induced by the coup…

Edge polaritons at metal-insulator boundaries in a phase separated correlated oxide
Weiwei Luo, Adrien Bercher, Claribel Dominguez, Javier del Valle, Jeremie Teyssier, Javier Taboada-Gutierrez, Alexey B. Kuzmenko
https://arxiv.org/abs/2506.03647

Edge polaritons at metal-insulator boundaries in a phase separated correlated oxide
Correlated transition metal oxides, such as cuprates, nickelates, and manganites, are typically considered "bad metals", where high electromagnetic losses suppress the conventional plasmonic effects observed in noble metals, 2D electron gases, and graphene. Nevertheless, using mid-infrared near-field optical nanoscopy, we demonstrate the emergence of strongly confined and long-propagating edge polaritons (EPs) of mixed phonon-plasmon nature at the boundaries between conducting and insulating re…

Spin waves in Na$_2$Co$_2$TeO$_6$ studied by high-frequency/high-field ESR: Successes and failures of the triple-$\mathbf{q}$ model
Luca Bischof, Jan Arneth, Raju Kalaivanan, Raman Sankar, Kwang-Yong Choi, R\"udiger Klingeler
https://arxiv.org/abs/2506.03789

Spin waves in Na$_2$Co$_2$TeO$_6$ studied by high-frequency/high-field ESR: Successes and failures of the triple-$\mathbf{q}$ model
The Kitaev candidate material Na$_2$Co$_2$TeO$_6$ is proposed to be proximate to a quantum spin liquid state but a suitable spin model and the nature of its ground states are still under debate. Our high-frequency/high-field electron spin resonance spectroscopy studies of Na$_2$Co$_2$TeO$_6$ single-crystals under in-plane and out-of-plane magnetic fields elucidate the ground state by investigating its low-energy spin wave excitations. Several excitation modes are observed in the low-field phase…

This https://arxiv.org/abs/2504.17988 has been replaced.
initial toot: https://mastoxiv.page/@ar…

Observation of narrow-band $γ$ radiation from a boron-doped diamond superlattice with an 855 MeV electron beam
A diamond superlattice with a period length of 3.54 $μ$m was grown on a high quality straight (100) diamond plate with the method of Chemical Vapour Deposition (CVD). A sinusoidal varying boron doping profile resulted in a periodic variation of the lattice constant, and in turn four sinusoidally deformed (110) planes with a period length of 5.0 $μ$m and an amplitude of 0.138 nm. A channeling experiment was performed with the 855 MeV electron beam of the Mainz Microtron MAMI accelerator facili…

Shot noise from which-path detection in a chiral Majorana interferometer
C. W. J. Beenakker
https://arxiv.org/abs/2505.23670 https://…

Shot noise from which-path detection in a chiral Majorana interferometer
We calculate the full counting statistics of charge transfer in a chiral Majorana interferometer - a setup where a Dirac mode (an electron-hole mode) is split into two Majorana modes that encircle a number of h/2e vortices in a topological superconductor. Without any coupling to the environment it is known that the low-energy charge transfer is deterministic: An electron is transferred either as an electron or as a hole, dependent on the parity of the vortex number. We show that a stochastic co…

This https://arxiv.org/abs/2409.08986 has been replaced.
initial toot: https://mastoxiv.page/@ar…

Collectively-modified inter-molecular electron correlations: The connection of polaritonic chemistry and spin glass physics
Polaritonic chemistry has garnered increasing attention in recent years due to pioneering experimental results, which show that site- and bond-selective chemistry at room temperature is achievable through strong collective coupling to field fluctuations in optical cavities. Despite these notable experimental strides, the underlying theoretical mechanisms remain unclear. In this focus review, we highlight a fundamental theoretical link between the seemingly unrelated fields of polaritonic chemis…

Characterization of reduced-order turbulence models in the L-mode pedestal-forming region in JET
G. Snoep, C. Bourdelle, J. Citrin, A. Ho, M. J. Pueschel, P. Vincenzi, E. R. Solano, M. Sertoli, E. Delabie, Jet Contributors
https://arxiv.org/abs/2506.03459

Characterization of reduced-order turbulence models in the L-mode pedestal-forming region in JET
Linear instability characterization of seven JET discharges just prior to the L-H transition is performed at $ρ_{\text{tor}} \in [0.85,0.9,0.95]$ with the gyrokinetic GENE code. The discharges cover both the low- and high-density branches of the L-H transition at two different triangularities. Sensitivities to driving gradients, normalized electron collisonality $ν_e^*$, hydrogen isotope mass, magnetic geometry and finite-$β$ effects are all characterized. At $ρ_{\text{tor}}=0.85$ and $0.9$…

Signatures of the Fermi surface reconstruction of a doped Mott insulator in a slab geometry
Gregorio Staffieri, Michele Fabrizio
https://arxiv.org/abs/2506.04155

Signatures of the Fermi surface reconstruction of a doped Mott insulator in a slab geometry
We investigate a hole-doped Mott insulator in a slab geometry using the dynamical cluster approximation. We show that the enhancement of the correlation strength at the surface results in the remarkable evolution of the layer-projected Fermi surface, which exhibits hole-like pockets in the superficial layers, but gradually evolves into a single electron-like surface in the innermost layers. We further analyze the behavior of the Friedel oscillations induced by the surface and identify distinct …

Anomalous magnetic response in the Au-Al-Gd 1/1 quasicrystal approximant
Takafumi D. Yamamoto, Tasuku Watanae, Farid Labib, Asuka Ishikawa, Shintaro Suzuki, Ryuji Tamura
https://arxiv.org/abs/2506.00778

Anomalous magnetic response in the Au-Al-Gd 1/1 quasicrystal approximant
The magnetic response of the Tsai-type 1/1 Au-Al-Gd approximant crystals (ACs) was quantitatively investigated in terms of the magnetic entropy change ($ΔS_{M}$) for different magnetic ground states. A comprehensive $ΔS_{M}$ map over a wide electron concentration range has been established, demonstrating the detailed variation of $ΔS_{M}$ across the entire magnetic phase diagram in the Tsai-type 1/1 ACs. Near the boundaries of the ferromagnetic (FM) phase, a clear deviation from the mean-fie…

This https://arxiv.org/abs/2505.13394 has been replaced.
initial toot: https://mastoxiv.page/@ar…

Multireference Embedding and Fragmentation Methods for Classical and Quantum Computers: from Model Systems to Realistic Applications
One of the primary challenges in quantum chemistry is the accurate modeling of strong electron correlation. While multireference methods effectively capture such correlation, their steep scaling with system size prohibits their application to large molecules and extended materials. Quantum embedding offers a promising solution by partitioning complex systems into manageable subsystems. In this review, we highlight recent advances in multireference density matrix embedding and localized active s…

Persistence of charge ordering instability to Coulomb engineering in the excitonic insulator candidate TiSe$_2$
Sebastian Buchberger, Yann in 't Veld, Akhil Rajan, Philip A. E. Murgatroyd, Brendan Edwards, Bruno K. Saika, Naina Kushwaha, Maria H. Visscher, Jan Berges, Dina Carbone, Jacek Osiecki, Craig Polley, Tim Wehling, Phil D. C. King
https:/…

Persistence of charge ordering instability to Coulomb engineering in the excitonic insulator candidate TiSe$_2$
TiSe$_2$ has long been considered one of the best candidate materials to host the elusive excitonic insulator (EI) phase. However, a finite coupling to the lattice can generically be expected, while a lack of "smoking-gun" signatures for the importance of the electron-hole interaction in driving the phase transition has rendered it challenging to distinguish the EI from the conventional charge-density-wave (CDW) phase. Here, we demonstrate a new approach, exploiting the susceptibility of excito…

Testing strong-field QED with the avalanche precursor
A. A. Mironov, S. S. Bulanov, A. Di Piazza, M. Grech, L. Lancia, S. Meuren, J. Palastro, C. Riconda, H. G. Rinderknecht, P. Tzeferacos, G. Gregori
https://arxiv.org/abs/2506.02832

Testing strong-field QED with the avalanche precursor
A two-beam high-power laser facility is essential for the study of one of the most captivating phenomena predicted by strong-field quantum electrodynamics (QED) and yet unobserved experimentally: the avalanche-type cascade. In such a cascade, the energy of intense laser light can be efficiently transformed into high-energy radiation and electron-positron pairs. The future 50-petawatt-scale laser facility NSF OPAL will provide unique opportunities for studying such strong-field QED effects, as i…

This https://arxiv.org/abs/2505.08733 has been replaced.
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Absolute measurement of the exchange interaction in an InSb quantum well using Landau-level tunnelling spectroscopy
We studied InSb quantum well devices using Landau level tunneling spectroscopy through a three-terminal differential conductance technique. This method is similar to filled state scanning tunneling microscopy but uses a stationary contact instead of a mobile tip to analyze the two-dimensional electron system. Applying magnetic fields up to 15 T, we identified clear peaks in the differential current-voltage profiles, indicative of Landau level formation. By examining deviations from the expected…

Phenomenology of altermagnets
Maxim Mostovoy
https://arxiv.org/abs/2506.01823 https://arxiv.org/pdf/2506.01823

Phenomenology of altermagnets
Altermagnets have recently emerged as a new class of magnetic materials sharing properties of both antiferromagnets and ferromagnets. Despite very small net magnetization, they show phenomena usually associated with ferromagnetism, such as the Faraday, Kerr and Anomalous Hall effects, resulting from the relativistic spin-orbit coupling, as well as the spin splitting of electron bands and Spin Hall Effect of non-relativistic origin. Spin space groups and magnetic multipoles are used to explain s…

Spatial correlations of charge density wave order across the transition in 2H-NbSe2
Seokjo Hong, Jaewhan Oh, Woohyun Cho, Soyoung Lee, Colin Ophus, Yeongkwan Kim, Heejun Yang, SungBin Lee, Yongsoo Yang
https://arxiv.org/abs/2506.02991

Spatial correlations of charge density wave order across the transition in 2H-NbSe2
Charge density waves (CDWs) involve coupled amplitude and phase degrees of freedom, but direct access to local amplitude correlations remains experimentally challenging. Here, we report cryogenic four-dimensional scanning transmission electron microscopy (4D-STEM) measurements of CDW ordering in 2H-NbSe2, enabled by liquid helium-based cooling down to 20 K. By mapping the spatial distribution of CDW superlattice intensities at nanometer-scale resolution and analyzing their autocorrelations, we …

This https://arxiv.org/abs/2502.12790 has been replaced.
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Anomalous exchange correlation of quasiparticles with entangled Nambu spinors
Entanglement of spin degree of freedom can drastically alter the orbital exchange symmetry of electrons, switching their bunching and antibunching behaviors and the resultant current correlations in the Hanbury-Brown-Twiss interferometry. Here, we investigate the exchange correlation of quasiparticles with entanglement encoded in the Nambu spinors, or the electron-hole degree of freedom. In contrast to the conventional correspondence between spin entanglement and current correlation, we find th…

Time inversion symmetry in the Dirac and Schr\"odinger-Pauli theories
R. Winkler, U. Z\"ulicke
https://arxiv.org/abs/2506.01292 https://

Time inversion symmetry in the Dirac and Schrödinger-Pauli theories
The Schrödinger-Pauli theory is generally believed to give a faithful representation of the nonrelativistic and weakly relativistic limit of the Dirac theory. However, the Schrödinger-Pauli theory is fundamentally incomplete in its account of broken time inversion symmetry, e.g., in magnetically ordered systems. In the Dirac theory of the electron, magnetic order breaks time inversion symmetry even in the nonrelativistic limit, whereas time inversion symmetry is effectively preserved in the S…

This https://arxiv.org/abs/2505.18910 has been replaced.
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Uncovering relationships between the electronic self-energy and coupled-cluster doubles theory
We derive the coupled-cluster doubles (CCD) amplitude equations by introduction of the particle-hole-time decoupled electronic self-energy. This leads to an alternative ground state correlation energy obtained from the Green's function formalism which is exactly of the form obtained in coupled-cluster doubles theory. We demonstrate the relationship to the ionization potential/electron affinity equation-of-motion coupled-cluster doubles (IP/EA-EOM-CCD) eigenvalue problem by coupling the reverse-…

Phonon-Induced Current Noise in Single-Walled Carbon Nanotubes across the Ballistic-Diffusive Crossover
Aina Sumiyoshi, Takahiro Yamamoto
https://arxiv.org/abs/2506.02569

Phonon-Induced Current Noise in Single-Walled Carbon Nanotubes across the Ballistic-Diffusive Crossover
We theoretically elucidate the system length ($L$) dependence of phonon-induced current noise in carbon nanotubes at room temperature over a broad range, encompassing the quantum ballistic and classical diffusive regimes. The power spectral density for the current noise is maximally enhanced when $L$ is comparable to the mean free path $L_0$ of an electron. In the ballistic limit of $L/L_0\ll 1$, the power spectral density increases in proportion to $L$, whereas in the diffusive limit of $L/L_0…

Electronic structure reorganization in MPS3 via d-shell-selective alkali metal doping
Jonah Elias Nitschke, Preeti Bhumla, Till Willershausen, Patrick Merisescu, David Janas, Lasse Sternemann, Michael Gutnikov, Karl Schiller, Valentin Mischke, Michele Capra, Mira Sophie Arndt, Silvana Botti, Mirko Cinchetti
https://arxiv.org/abs…

Electronic structure reorganization in MPS3 via d-shell-selective alkali metal doping
Semiconducting two-dimensional (2D) antiferromagnetic (AFM) transition-metal thiophosphates (MPS3) offer promising opportunities for spintronic applications due to their highly tunable electronic properties. While alloying and intercalation have been shown to modulate ground states, the role of d-shell filling in governing these transitions remains insufficiently understood. Here, we investigate electron doping effects in MPS3 using angle-resolved photoemission spectroscopy (ARPES), X-ray photo…

This https://arxiv.org/abs/2405.10298 has been replaced.
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Heavy-element damage seeding in proteins under XFEL illumination
Serial femtosecond X-ray crystallography (SFX) captures the structure and dynamics of biological macromolecules at high spatial and temporal resolutions. The ultrashort pulse produced by an X-ray free electron laser (XFEL) 'outruns' much of the radiation damage that impairs conventional crystallography. However, the rapid onset of 'electronic damage' due to ionization limits this benefit. Here, we distinguish the influence of different atomic species on the ionization of protein crystals by emp…