Tootfinder

Transition from Optically Excited to Intrinsic Spin Polarization in WSe$_2$
Sebastian Hedwig, Gregor Zinke, J\"urgen Braun, Benito Arnoldi, Aki Pulkkinen, J\'an Min\'ar, Hubert Ebert, Martin Aeschlimann, Benjamin Stadtm\"uller
https://arxiv.org/abs/2506.00161

Transition from Optically Excited to Intrinsic Spin Polarization in WSe$_2$
Layered 2D van der Waals materials, such as transition metal dichalcogenides, are promising for nanoscale spintronic and optoelectronic applications. Harnessing their full potential requires understanding both intrinsic transport and the dynamics of optically excited spin and charge carriers -- particularly the transition between excited spin polarization and the conduction band's intrinsic spin texture. Here, we investigate the spin polarization of the conduction bands of bulk WSe$_2$ using st…

Phase transition for Minesweeper
Baptiste Louf
https://arxiv.org/abs/2506.01634 https://arxiv.org/pdf/2506.01634

Phase transition for Minesweeper
We prove a coarse phase transition for the game of Minesweeper: above a certain critical mine density, the game becomes unsolvable with high probability, whereas below the critical mine density it can be solved with a linear time algorithm.

Automated Web Application Testing: End-to-End Test Case Generation with Large Language Models and Screen Transition Graphs
Nguyen-Khang Le, Quan Minh Bui, Minh Ngoc Nguyen, Hiep Nguyen, Trung Vo, Son T. Luu, Shoshin Nomura, Minh Le Nguyen
https://arxiv.org/abs/2506.02529

Automated Web Application Testing: End-to-End Test Case Generation with Large Language Models and Screen Transition Graphs
Web applications are critical to modern software ecosystems, yet ensuring their reliability remains challenging due to the complexity and dynamic nature of web interfaces. Recent advances in large language models (LLMs) have shown promise in automating complex tasks, but limitations persist in handling dynamic navigation flows and complex form interactions. This paper presents an automated system for generating test cases for two key aspects of web application testing: site navigation and form …

This https://arxiv.org/abs/2505.07358 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hept…

Two-point tree-level string amplitudes as AdS transition amplitudes
We compute the two-point open string and closed string amplitudes at tree level and show that, in a 't Hooft-like limit, they take a form structurally analogous to boundary-to-boundary transition amplitudes of a scalar field in Euclidean AdS space. Interestingly, while both amplitudes yield equivalent expressions, the associated 't Hooft couplings are defined by different worldsheet curvatures-geodesic for the disk and Gaussian for the sphere-suggesting a possible geometric aspect of open/close…

From this year on, ESWC will be under the umbrella of SWSA, the Semantic Web Science Association, to secure financial sustainability for the upcoming years after its previous supporting organisation STI was dissolved in 2023. Basics about the transition are given by Elena Simperl, president of SWSA.
https://swsa.semanticweb.org/

New universality classes and BKT transition in the vortex lattice phases of Kagome Ice
Wei Zhang, Wanzhou Zhang, Jie Zhang, Chengxiang Ding, Youjin Deng
https://arxiv.org/abs/2506.00804

New universality classes and BKT transition in the vortex lattice phases of Kagome Ice
Inspired by the experimental realization of direct Kagome spin ice [arXiv:2404.19377], the theoretical six-vertex model on the Kagome lattice is systematically simulated using the directed loop Monte Carlo method. Four distinct vortex lattice phases are identified: (i) Ferromagnetic leg states and vortex lattice order on both triangular and honeycomb faces, with a winding number $ k = 1 $. (ii) Antiferromagnetic leg states and vortex lattice order on both types of faces, with $ k = -2 $ on the …

Learning collective variables that preserve transition rates
Shashank Sule, Arnav Mehta, Maria K. Cameron
https://arxiv.org/abs/2506.01222 https://

Learning collective variables that preserve transition rates
Collective variables (CVs) play a crucial role in capturing rare events in high-dimensional systems, motivating the continual search for principled approaches to their design. In this work, we revisit the framework of quantitative coarse graining and identify the orthogonality condition from Legoll and Lelievre (2010) as a key criterion for constructing CVs that accurately preserve the statistical properties of the original process. We establish that satisfaction of the orthogonality condition …

Alignment Phase Transition in Socially Driven Motion
Debasish Sarker, Yi Zhang, Lynn K. Perry, Daniel S. Messinger, Chaoming Song
https://arxiv.org/abs/2506.01550

Alignment Phase Transition in Socially Driven Motion
Collective human movement is a hallmark of complex systems, exhibiting emergent order across diverse settings, from pedestrian flows to biological collectives. In high-speed scenarios, alignment interactions ensure efficient flow and navigation. In contrast, alignment in low-speed, socially engaged contexts emerges not from locomotion goals but from interpersonal interaction. Using high-resolution spatial and orientation data from preschool classrooms, we uncover a sharp, distance-dependent tra…

The Close AGN Reference Survey (CARS). Long-term spectral variability study of the changing look AGN Mrk 1018
T. Saha, M. Krumpe, A. Markowitz, M. Powell, G. Leung, F. Combes, R. E. McElroy, J. S. Elford, M. Gaspari, N. Winkel, A. L. Coil, T. Urrutia
https://arxiv.org/abs/2506.03061

The Close AGN Reference Survey (CARS). Long-term spectral variability study of the changing look AGN Mrk 1018
Changing-look AGNs (CLAGN) are accreting supermassive black hole systems that undergo variations in optical spectral type, driven by major changes in accretion rate. Mrk 1018 has undergone two transitions, a brightening event in the 1980s and a transition back to a faint state over the course of 2-3 years in the early 2010s. We characterize the evolving physical properties of the source's inner accretion flow, particularly during the bright-to-faint transition, as well as the morphological prop…

Density of spectral gap property for positively expansive dynamics and smooth potentials, with applications to the phase transition problem
Thiago Bomfim, Victor Carneiro
https://arxiv.org/abs/2505.23934

Density of spectral gap property for positively expansive dynamics and smooth potentials, with applications to the phase transition problem
It is known that all uniformly expanding dynamics $f: M \rightarrow M$ have no phase transition with respect to a Hölder continuous potential $ϕ: M \rightarrow \mathbb{R}$, in other words, the topological pressure function $\mathbb{R} \ni t \mapsto P_{top}(f , tϕ)$ is analytical. Moreover, the associated transfer operator $\mathcal{L}_{f , tϕ}$, acting on the space of Hölder continuous functions, has the spectral gap property for $t \in \mathbb{R}$. For dynamics that are topologically conj…

This https://arxiv.org/abs/2404.07975 has been replaced.
initial toot: https://mastoxiv.page/@arX…

Spectral Multifractality and Emergent Energyscales Across the Many-Body Localisation Transition
We present a scaling theory of the many-body localisation transition in terms of emergent, characteristic energyscales. The analysis is based on the decomposition of the eigenstates in the basis of trivially localised states, resolved in the energies of the latter, which we refer to as the spectral decomposition of the eigenstates. The characteristic energyscales emerge when the multifractal properties, or lack thereof, of the spectral decomposition are studied at different scales. These charac…

This https://arxiv.org/abs/2501.09699 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hepp…

Tensor meson transition form factors in holographic QCD and the muon $g-2$
Despite the prominence of tensor mesons in photon-photon collisions, until recently their contribution to the hadronic light-by-light (HLbL) scattering part of the anomalous magnetic moment of the muon has been estimated to be at the level of only a few $10^{-12}$. A recent reanalysis within the dispersive approach has found that after resolving the issue of kinematic singularities in previous approaches, a larger result is obtained, a few $10^{-11}$, and with opposite sign as in previous resul…

Machine Learning for Consistency Violation Faults Analysis
Kamal Giri, Amit Garu
https://arxiv.org/abs/2506.02002 https://arxiv.org/p…

Machine Learning for Consistency Violation Faults Analysis
Distributed systems frequently encounter consistency violation faults (cvfs), where nodes operate on outdated or inaccurate data, adversely affecting convergence and overall system performance. This study presents a machine learning-based approach for analyzing the impact of CVFs, using Dijkstra's Token Ring problem as a case study. By computing program transition ranks and their corresponding effects, the proposed method quantifies the influence of cvfs on system behavior. To address the state…

Electromagnetically Reconfigurable Antennas for 6G: Enabling Technologies, Prototype Studies, and Research Outlook
Pinjun Zheng, Ruiqi Wang, Yuchen Zhang, Md. Jahangir Hossain, Anas Chaaban, Atif Shamim, Tareq Y. Al-Naffouri
https://arxiv.org/abs/2506.00657

Electromagnetically Reconfigurable Antennas for 6G: Enabling Technologies, Prototype Studies, and Research Outlook
The transition to the sixth-generation (6G) network is anticipated to redefine wireless transceiver architectures, demanding higher adaptability and efficiency at the antenna layer. Electromagnetically reconfigurable antennas (ERAs) have emerged as a promising solution capable of dynamically reconfiguring wireless channels to meet these requirements. This article presents an overview of recent advancements in ERA technology, underscoring its transformative potential for 6G applications. Drawing…

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…

Convex Approximations of Random Constrained Markov Decision Processes
V Varagapriya, Vikas Vikram Singh, Abdel Lisser
https://arxiv.org/abs/2505.24815 http…

Convex Approximations of Random Constrained Markov Decision Processes
Constrained Markov decision processes (CMDPs) are used as a decision-making framework to study the long-run performance of a stochastic system. It is well-known that a stationary optimal policy of a CMDP problem under discounted cost criterion can be obtained by solving a linear programming problem when running costs and transition probabilities are exactly known. In this paper, we consider a discounted cost CMDP problem where the running costs and transition probabilities are defined using ran…

This https://arxiv.org/abs/2505.20002 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_ees…

Efficient Gaussian Mixture Filters based on Transition Density Approximation
Gaussian mixture filters for nonlinear systems usually rely on severe approximations when calculating mixtures in the prediction and filtering step. Thus, offline approximations of noise densities by Gaussian mixture densities to reduce the approximation error have been proposed. This results in exponential growth in the number of components, requiring ongoing component reduction, which is computationally complex. In this paper, the key idea is to approximate the true transition density by an a…

Algorithm for computing canonical bases and foldings of quantum groups
Toshiaki Shoji, Zhiping Zhou
https://arxiv.org/abs/2506.00793 https://

Algorithm for computing canonical bases and foldings of quantum groups
Let ${\mathbf U}_q^-$ be the negative half of a quantum group of finite type. Let $P$ be the transition matrix between the canonical basis and a PBW basis of ${\mathbf U}_q^-$. In the case ${\mathbf U}_q^-$ is symmetric, Antor gave a simple algorithm of computing $P$ by making use of monomial bases. By the folding theory, ${\mathbf U}_q^-$ (symmetric, with a certain automorphism) is related to a quantum group $\underline{\mathbf U}_q^-$ of non-symmetric type. In this paper, we extend the result…

On cluster structures of bosonic extensions
Yingjin Bi
https://arxiv.org/abs/2506.00882 https://arxiv.org/pdf/2506.00882

On cluster structures of bosonic extensions
In this paper, we analyze the transition maps for Lusztig's parameterization of the global basis for the bosonic extension $\widehat{\mathcal{A}}(b)$ of the quantum coordinate ring of a unipotent group, where $b$ belongs to the positive braid group $\operatorname{Br}^+$. By examining different reduced expressions of $b$, we establish that the cluster structure on $\widehat{\mathcal{A}}(b)$ remains invariant regardless of the chosen reduced expression. For the simply-laced case, we construct a c…

Traveling waves for a two-phase Stefan problem with radiation
Elena Dematt\`e, Juan J. L. Vel\'azquez
https://arxiv.org/abs/2506.01821 https://

Traveling waves for a two-phase Stefan problem with radiation
In this paper we study the existence of traveling wave solutions for a free-boundary problem modeling the phase transition of a material where the heat is transported by both conduction and radiation. Specifically, we consider a one-dimensional two-phase Stefan problem with an additional non-local non-linear integral term describing the situation in which the heat is transferred in the solid phase also by radiation, while the liquid phase is completely transparent, not interacting with radiatio…

This https://arxiv.org/abs/2505.11361 has been replaced.
initial toot: https://mastoxiv.page/@ar…

Magnetic dipole-dipole transition for scintillation quenching
A magnetic dipole-dipole interaction is proposed as a scintillation quenching mechanism. The interaction rate follows $R^{-6}$ as the electric dipole-dipole interaction in F$\mathrm{\ddot{o}}$ster resonance energy transfer theory. The proposed mechanism causes a long-range resonance energy transfer, and the resonance condition is that the spins of donor and acceptor electrons both flip, and the energy level differences are the same. When oxygen or organic molecules including heavy elements are …

Exploring the potential for kinematically colder HI component as a tracer for star-forming gas in nearby galaxies
Hye-Jin Park, Andrew J. Battisti, Antoine Marchal, Luca Cortese, Emily Wisnioski, Mark Seibert, Shin-Jeong Kim, Naomi McClure-Griffiths, W. J. G. de Blok, Kathryn Grasha, Barry F. Madore, Jeff A. Rich, Rachael L. Beaton
https://

Exploring the potential for kinematically colder HI component as a tracer for star-forming gas in nearby galaxies
Atomic hydrogen (HI) dominates the mass of the cold interstellar medium, undergoing thermal condensation to form molecular gas and fuel star formation. Kinematically colder HI components, identified via kinematic decomposition of HI 21 cm data cubes, serve as a crucial transition phase between diffuse warm neutral gas and molecular hydrogen (H$_{2}$). We analyse these colder HI components by decomposing HI 21 cm data cubes of seven nearby galaxies - Sextans A, NGC 6822, WLM, NGC 5068, NGC 7793,…

Beyond Static Responses: Multi-Agent LLM Systems as a New Paradigm for Social Science Research
Jennifer Haase, Sebastian Pokutta
https://arxiv.org/abs/2506.01839

Beyond Static Responses: Multi-Agent LLM Systems as a New Paradigm for Social Science Research
As large language models (LLMs) transition from static tools to fully agentic systems, their potential for transforming social science research has become increasingly evident. This paper introduces a structured framework for understanding the diverse applications of LLM-based agents, ranging from simple data processors to complex, multi-agent systems capable of simulating emergent social dynamics. By mapping this developmental continuum across six levels, the paper clarifies the technical and …

This https://arxiv.org/abs/2411.06332 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_qu…

Quantum feedback induced entanglement relaxation and dynamical phase transition in monitored free fermion chains with Wannier-Stark ladder
In recent years, measurement induced entanglement transitions (MIETs) have attracted significant attention. However, the dynamical transition associated with the feedback induced skin effect, which exhibits a wealth of intriguing phenomena, has not been fully understood. In this work, we investigate a dynamical phase transition in a tilted free-fermion chain under measurement-feedback protocols, emphasizing the particle density and entanglement entropy dynamics. We reveal a feedback induced ski…

This https://arxiv.org/abs/2502.14447 has been replaced.
initial toot: https://mastoxiv.page/@a…

Thermal conductance at the superradiant phase transition in the quantum Rabi model
The quantum Rabi model exhibits a superradiant phase transition when the coupling becomes strong, even though it involves only two components: a two-level atom and a single bosonic mode. This phase transition is referred to as a finite-component quantum phase transition, in contrast to conventional phase transitions in many-body systems. In this Letter, we investigate heat transport across an atom embedded in bosonic modes, modeled by the quantum Rabi model, between two thermal baths. We found …

Colloidal nanoparticles in cholesteric liquid crystals: Bulk properties, biaxiality and untwisting
Prabakaran Rajamanickam, Fatimah Almutari, Apala Majumdar
https://arxiv.org/abs/2506.01417

Colloidal nanoparticles in cholesteric liquid crystals: Bulk properties, biaxiality and untwisting
We study the effects of colloidal nanoparticles (NPs) in cholesteric liquid crystal samples in the dilute limit, in a Landau-de Gennes theoretical framework. The effects of the suspended NPs are captured by a homogenized energy, as outlined in [7]. For spatially homogeneous samples, we explicitly compute the critical points and minimizers of the modified Landau-de Gennes energy and show that the presence of NP eliminates the first-order isotropic-nematic phase transition, stabilises elusive bia…

Heavy Ion Double Charge Exchange Reactions as Probes for Two-Body Transition Densities
Jessica I. Bellone, Maria Colonna, Danilo Gambacurta, Horst Lenske
https://arxiv.org/abs/2505.24753

Heavy Ion Double Charge Exchange Reactions as Probes for Two-Body Transition Densities
Collisional heavy ion double charge exchange (DCE) reactions, induced by second order nucleon-nucleon interactions, are shown to provide access to the two-body transition densities of the complementary DCE transitions in the interacting nuclei. Corresponding two-body operators are introduced, treating the second order distorted wave reaction amplitude in the s-channel interaction form. The theoretical results are applied to the reaction $^{18}O+{}^{76}Se\to {} ^{18}Ne+{}^{76}Ge$ at $T_{lab}=270…

🇺🇦 #NowPlaying on #BBC6Music's #NickGrimshaw
Eve:
🎵 Who's That Girl?
#Eve
https://djnikosd.bandcamp.com/track/eve-whos-that-girl-nikos-d-transition-128-108-128
https://open.spotify.com/track/3uVE5vLKkigiWBOQEgmdDk

Superconducting gaps revealed by STM measurements on La2PrNi2O7 thin films at ambient pressure
Shengtai Fan, Mengjun Ou, Marius Scholten, Qing Li, Zhiyuan Shang, Yi Wang, Jiasen Xu, Huan Yang, Ilya M. Eremin, Hai-Hu Wen
https://arxiv.org/abs/2506.01788

Superconducting gaps revealed by STM measurements on La2PrNi2O7 thin films at ambient pressure
The recent discovery of superconductivity in nickelate systems has generated tremendous interests in the field of superconductivity. The superconducting transition temperature above 80 K in La3Ni2O7 under pressure and the coexisting spin excitations certainly categorize the nickelate superconductors as unconventional. The core issue to understand the superconductivity mechanism is about the superconducting gap and its symmetry. By using the substrate of SrLaAlO4(00l), we have successfully synth…

This https://arxiv.org/abs/2412.20515 has been replaced.
initial toot: https://mastoxiv.page/@…

Entanglement as a topological marker in harmonically confined attractive Fermi-Hubbard chains
We investigate the single-site von Neumann entropy along a harmonically confined superfluid chain, as described by the one-dimensional fermionic Hubbard model with strongly attractive interactions. We find that by increasing the confinement (or equivalently the particle filling) the system undergoes a quantum phase transition from a superfluid (SF) to a non-trivial topological insulator (TI) phase, which is characterized by an insulating bulk surrounded by highly entangled superfluid edges. The…

Jamais en retard d'une connerie, Tony Blair déclare que la suppression des combustibles fossiles était "vouée Š l'échec".
#transitionénergétique #climat

The near-total repeal of the #InflationReductionAct, as passed by the US House, would increase USA carbon emissions by 150 MtCO2eq/year by 2030 (for power generation alone) and 1 Gt/y by 2035. (While also increasing costs nearly everywhere.)
http…

An Effective Sphaleron Awakens
Xu-Xiang Li, Michael J. Ramsey-Musolf, Tuomas V. I. Tenkanen, Yanda Wu
https://arxiv.org/abs/2506.01585 https://

An Effective Sphaleron Awakens
Using thermal effective field theory, we present a self-consistent perturbative formulation of the Higgs phase sphaleron rate after a radiatively-induced first-order phase transition. This gauge-invariant formulation is based on dimensionally reduced effective field theory (3D EFT) at high temperatures and paves a way for including higher order corrections within the 3D EFT perturbation theory without double counting. Concretely, we compute the Higgs phase sphaleron rate in a semi-classical app…

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…

Sources: Lionsgate Motion Picture Group President Nathan Kahane is expected to leave his post by 2025's end and transition to a producing deal with the studio (Deadline)
https://deadline.com/2025/05/lionsgate-president-nathan-kahane-departu…

Lionsgate Motion Picture Group President Nathan Kahane Departing Studio By End Of Year — The Dish
Nathan Kahane is expected to exit his Lionsgate post as Motion Picture Group President when his contract expires this year, sources tell Deadline.

Wow, #pythonPoetry v2 sure introduced many breaking changes. They outsourced `poetry shell` (a very important and IMHO core command for entering a shell with the virtual environment activated) into a plugin (wtf 🤨) that you need to provide separately.
That poetry can't pin itself bit me quite a couple of times with the v2 transition. They also changed the behaviour of the -C flag (r…

So uh, yeah, the state-supported routes are probably safe for the moment but we're in for a fight to protect our long distance trains.
I don't know what a call to action might look like yet but comraderie among Amtrak riders certainly can't hurt right now. Be ready to organize.
https://

Dependency of quantum time scales on symmetry
Fei Guo, Dmitrii Usanov, Eduardo B. Guedes, Mauro Fanciulli, Kaishu Kawaguchi, Ryo Mori, Takeshi Kondo, Arnaud Magrez, Michele Puppin, Hugo Dil
https://arxiv.org/abs/2506.01476

Dependency of quantum time scales on symmetry
Although used extensively in everyday life, time is one of the least understood quantities in physics, especially on the level of quantum mechanics. Here we use an experimental method based on spin- and angle-resolved photoemission spectroscopy from spin-degenerate dispersive states to determine the Eisenbud-Wigner-Smith (EWS) time delay of photoemission. This time scale of the quantum transition is measured for materials with different dimensionality and correlation strength. A direct link bet…

Why Academics Are Leaving Twitter for Bluesky
Dorian Quelle, Frederic Denker, Prashant Garg, Alexandre Bovet
https://arxiv.org/abs/2505.24801 https://

Why Academics Are Leaving Twitter for Bluesky
We analyse the migration of 300,000 academic users from Twitter/X to Bluesky between 2023 and early 2025, combining rich bibliometric data, longitudinal social-media activity, and a novel cross-platform identity-matching pipeline. We show that 18% of scholars in our sample transitioned, with transition rates varying sharply by discipline, political expression, and Twitter engagement but not by traditional academic metrics. Using time-varying Cox models and a matched-pairs design, we isolate gen…

Roughening and dynamics of an electric flux string in a (2 1)D lattice gauge theory
Francesco Di Marcantonio, Sunny Pradhan, Sofia Vallecorsa, Mari Carmen Ba\~nuls, Enrique Rico Ortega
https://arxiv.org/abs/2505.23853

Roughening and dynamics of an electric flux string in a (2+1)D lattice gauge theory
We investigate the roughening transition in the pure $\mathbb{Z}_2$ lattice gauge theory in (2+1) dimensions. Using numerical simulations with matrix product states, we explore the static and dynamical properties of an electric flux string between two static charges as the coupling is varied and approaches the deconfinement phase transition from the confined phase. Within the roughening region, we obtain the universal Lüscher correction to the confining potential and observe the expected resto…

On the Discontinuous Breaking of Replica Symmetry and Shattering in Mean-Field Spin Glasses
Antonio Auffinger, Ahmed El Alaoui, Mark Sellke
https://arxiv.org/abs/2506.02238

On the Discontinuous Breaking of Replica Symmetry and Shattering in Mean-Field Spin Glasses
We show that in mean-field spin glasses, a discontinuous breaking of replica symmetry at the critical inverse temperature $β_c$ implies the existence of an intermediate shattered phase. This confirms a prediction from physics regarding the nature of random first order phase transitions. On the other hand, we give an example of a spherical spin glass which exhibits shattering, yet the transition is continuous at $β_c$.

This https://arxiv.org/abs/2505.22623 has been replaced.
initial toot: https://mastoxiv.page/@ar…

A theory for diffusion-controlled reactions within nonequilibrium steady-states
We study diffusion-controlled processes in nonequilibrium steady-states, where standard rate theory assumptions break down. Using transition path theory, we generalize the relations between reactive probability fluxes and measures of the rate of the reaction. Stochastic thermodynamics analysis reveals how work constrains the enhancement of rates relative to their equilibrium values. An analytically solvable ion-pairing model under a strong electric field illustrates and validates our approach a…

This https://arxiv.org/abs/2505.23336 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_eco…

Distributional Consequences of Political Freedom: Inequality in Transition Countries
This article addresses the origins of income inequality in post-socialist countries from Central and Eastern Europe and Central Asia, from 1991 to 2016. The aim is to analyze the relationship between democracy and income inequality. In previous studies, this topic has led to ambiguous findings, especially in the context of the group of countries we are focusing on. We examine whether the process of democratization cooccurred with changes in income distribution over the entire period under study…

This https://arxiv.org/abs/2502.02070 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hepp…

Finite temperature QCD crossover at non-zero chemical potential: A Dyson-Schwinger approach
We study QCD at finite temperature and non-zero chemical potential to derive the critical temperature at the chiral phase transition (crossover). We solve a set of Dyson--Schwinger partial differential equations using the exact solution for the Yang--Mills quantum field theory based on elliptical functions. We derive a Nambu-Jona--Lasino (NJL) model of the quarks and obtain a very good agreement with recent lattice computations regarding the dependence of the critical temperature on the strong …

Anisotropic superconducting gap probed by $^{125}$Te NMR in noncentrosymmetric Sc$_6M$Te$_2$ ($M$ = Fe, Co)
Kanako Doi, Hayase Takei, Yusaku Shinoda, Yoshihiko Okamoto, Daigorou Hirai, Koshi Takenaka, Taku Matsushita, Yoshiaki Kobayashi, Yasuhiro Shimizu
https://arxiv.org/abs/2506.02484 …

Anisotropic superconducting gap probed by $^{125}$Te NMR in noncentrosymmetric Sc$_6M$Te$_2$ ($M$ = Fe, Co)
The superconducting gap symmetry is investigated by $^{125}$Te NMR measurements on Sc$_6M$Te$_2$ ($M$ = Fe, Co) without spatial inversion symmetry. The spin susceptibility obtained from the Knight shift $K$ is suppressed below the superconducting transition temperature, while leaving a finite value down to the lowest temperature ($\simeq 0.4$ K). The nuclear spin-lattice relaxation rate $1/T_1$ follows a power law against temperature $T$ without showing a coherence peak characteristic of the is…

Nematicity in iron pnictides: phase competition and emergent symmetry
Yiming Wang, Changle Liu, Shan Wu, Jianda Wu, Qimiao Si, Rong Yu
https://arxiv.org/abs/2505.24847

Nematicity in iron pnictides: phase competition and emergent symmetry
The phase diagram of iron-based superconductors contains a host of electronic orders, which are intimately connected with their superconductivity. Here we analyze the fluctuations of one type of nematic order in another. Our analysis leads to an emergent U(1) symmetry at a first-order transition between a nematic phase and a $C_4$-symmetric charge-ordered phase. We characterize the continuous symmetry in terms of a certain hidden Lie algebra that links the different orders. This emergent symmet…

This https://arxiv.org/abs/2308.00060 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_nli…

An Invitation to Number-Conserving Cellular Automata
Number-conserving cellular automata are discrete dynamical systems that simulate interacting particles like e.g. grains of sand. In an earlier paper, I had already derived a uniform construction for all transition rules of one-dimensional number-conserving automata. Here I describe in greater detail how one can simulate the automata on a computer and how to find interesting rules. I show several rules that I have found this way and also some theorems about the space of number-conserving automat…

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…

Stationary and Non-Stationary Transition Probabilities in Decision Making: Modeling COVID-19 Dynamics
Romario Gildas Foko Tiomela, Serges Love Teutu Talla, Samson Adekola Alagbe, Olawale Nasiru Lawal, Isabella Kemajou-Brown
https://arxiv.org/abs/2505.21519

Stationary and Non-Stationary Transition Probabilities in Decision Making: Modeling COVID-19 Dynamics
This study explores the complexities of stationary and non-stationary transition probabilities within the framework of a Markov Decision Process (MDP), specifically applied to COVID-19. The research highlights the critical role these probabilities play in accurately modeling disease dynamics and informing evidence-based decisions by policymakers and public health authorities. By incorporating both stationary transition probabilities (which assume constant rates of state changes) and non-station…

This https://arxiv.org/abs/2505.20159 has been replaced.
initial toot: https://mastoxiv.page/@arX…

Many-body localization in a quantum Ising model with the long-range interaction: Accurate determination of the transition point
Many-body localization (MBL) transition emerges at strong disorder in interacting systems, separating chaotic and reversible dynamics. Although the existence of MBL transition within the macroscopic limit in spin chains with a short-range interaction was proved rigorously, the transition point is not found yet because of the dramatic sensitivity of the transition point to the chain length at computationally accessible lengths, possible due to local fluctuations destroying localization. Here we …

This https://arxiv.org/abs/2505.18468 has been replaced.
initial toot: https://mastoxiv.page/@a…

Generalized many-body exciton g-factors: magnetic hybridization and non-monotonic Rydberg series in monolayer WSe\textsubscript{2}
Magneto-optics of low dimensional semiconductors, such as monolayer transition metal dichalcogenides, offers a vast playground for exploring complex quantum phenomena. However, current \textit{ab initio} approaches fail to capture important experimental observations related to brightening of excitonic levels and their g-factor dependence. Here, we develop a robust and general first principles framework for many-body exciton g-factors by incorporating off-diagonal terms for the spin and orbital …

On Reconfigurable Bisimulation, with an Application to the Distributed Synthesis Problem
Yehia Abd Alrahman, Nir Piterman
https://arxiv.org/abs/2505.21672 …

On Reconfigurable Bisimulation, with an Application to the Distributed Synthesis Problem
We consider the problem of distributing a centralised transition system to a set of asynchronous agents recognising the same language. Existing solutions are either manual or involve a huge explosion in the number of states from the centralised system. The difficulty arises from the need to keep a rigid communication scheme, specifying a fixed mapping from events to those who can participate in them. Thus, individual agents need to memorise seen events and their order to dynamically compare the…

Heavy mesons in an effective quark model with a nonlocal interaction
A. Friesen, Yu. Kalinovsky, A. Khmelev
https://arxiv.org/abs/2505.24542 https://

Heavy mesons in an effective quark model with a nonlocal interaction
We discuss the properties of light and heavy mesons in the framework of a model with nonlocal interaction. We start from the Bethe-Salpeter equation, choosing the interaction kernel in a nonlocal form with the Gaussian meson vertex function. We fix the model parameters using electromagnetic and leptonic decay constants. Within this model, we consider the neutral pion transition form factor ${F}_{πγ}$and apply the model to the transition form factors of heavy pseudoscalar mesons $η_c$ and $η…

This https://arxiv.org/abs/2503.01604 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_nuc…

The $α$-particle condensation in diluted $^{16}\text{O}$ at finite temperature
We investigate the effect of temperature on $α$-particle clustering in the diluted nucleus $^{16}\text{O}$ using the multi-constrained finite-temperature relativistic Hartree-Bogoliubov model with the DD-ME2 interaction. At a critical density the nucleus undergoes a Mott-like transition from a homogeneous to a localised configuration characterised by $α$-particle clustering and the emergence of a finite non-axial octupole deformation. We study the interplay between the onset of localisation u…

Unconventional Superconducting Pairing Symmetries in La$_3$Ni$_2$O$_7$: from the Perspective of Topology
Guan-Hao Feng, Jun Quan, Yusheng Hou
https://arxiv.org/abs/2506.01764

Unconventional Superconducting Pairing Symmetries in La$_3$Ni$_2$O$_7$: from the Perspective of Topology
The recently discovered superconductor La$_3$Ni$_2$O$_7$ has attracted significant attention due to its remarkably high $T_{c}$ and unconventional pairing mechanism. High-pressure experiments have demonstrated that the emergence of the superconducting phase is associated with a transition to a higher-symmetry structure. Motivated by this observation, we investigate superconductivity in La$_3$Ni$_2$O$_7$ under high pressure from the perspectives of symmetry and topology. Based on a bilayer two-o…

Markovian dissipation can stabilize a (localization) quantum phase transition
Naushad A. Kamar, Mostafa Ali, Mohammad Maghrebi
https://arxiv.org/abs/2505.22721

Markovian dissipation can stabilize a (localization) quantum phase transition
Quantum phase transitions are a cornerstone of many-body physics at low temperatures but have remained elusive far from equilibrium. Driven open quantum systems -- a prominent non-equilibrium platform where coherent dynamics competes with Markovian dissipation from the environment -- often exhibit an effective classical behavior. In this work, we present a nontrivial quantum phase transition that is stabilized, rather than destroyed, by Markovian dissipation. We consider a variant of the paradi…

A White Paper on The Multi-Messenger Science Landscape in India
Samsuzzaman Afroz, Sanjib Kumar Agarwalla, Dipankar Bhattacharya, Soumya Bhattacharya, Subir Bhattacharyya, Varun Bhalerao, Debanjan Bose, Chinmay Borwanker, Ishwara Chandra C. H., Aniruddha Chakraborty, Indranil Chakraborty, Sovan Chakraborty, Debarati Chatterjee, Varsha Chitnis, Moon Moon Devi, Sanjeev Dhurandhar, Amol Dighe, Bitan Ghosal, Sourendu Gupta, Arpan Hait, Md Emanuel Hoque, Pratik Majumdar, Nilmani Mathur, Har…

A White Paper on The Multi-Messenger Science Landscape in India
The multi-messenger science using different observational windows to the Universe such as Gravitational Waves (GWs), Electromagnetic Waves (EMs), Cosmic Rays (CRs), and Neutrinos offer an opportunity to study from the scale of a neutron star to cosmological scales over a large cosmic time. At the smallest scales, we can explore the structure of the neutron star and the different energetics involved in the transition of a pre-merger neutron star to a post-merger neutron star. This will open up a…

Electronic Temperature-Driven Phase Stability and Structural Evolution of Iron at High Pressure
S. Azadi, S. M. Vinko
https://arxiv.org/abs/2506.01809 http…

Electronic Temperature-Driven Phase Stability and Structural Evolution of Iron at High Pressure
We present Gibbs free-energy phase diagrams for compressed iron within a pressure range of 20 to 300 GPa and electronic temperature up to 3 eV obtained using finite-temperature density functional and density functional perturbation theories. Our results for bcc, fcc, and hcp phases predict solid-solid phase transitions in iron driven purely by electronic entropy and temperature. We found a phase transition from hcp to bcc at pressures above 200 GPa, which depends on the electronic temperature. …

This https://arxiv.org/abs/2505.21246 has been replaced.
initial toot: https://mastoxiv.page/@arXi…

Physics Computational Literacy: Programming, modeling and collaboration at the journeyman level
Computation has become an integral part of physics research. However, little is known about how students learn to productively use computation as a tool beyond the introductory level, especially as they transition into physics research. In this study, we apply the theory of Physics Computational Literacy and the Novice-Expert framework to describe the development of expertise in computational physics, as students transition from novice to journeymen computational physicists. We base this descri…

Nematic ordering in active fluids driven by substrate deformations: Mechanisms and patterning regimes
Varun Venkatesh, Amin Doostmohammadi
https://arxiv.org/abs/2505.24639

Nematic ordering in active fluids driven by substrate deformations: Mechanisms and patterning regimes
The interplay between active matter and its environment is central to understanding emergent behavior in biological and synthetic systems. Here, we show that coupling active nematic flows to small-amplitude deformations of a compliant substrate can fundamentally reorganize the system's dynamics. Using a model that combines active nematohydrodynamics with substrate mechanics, we find that contractile active nematics-normally disordered in flat geometries-undergo a sharp transition to long-range …

This https://arxiv.org/abs/2505.16020 has been replaced.
initial toot: https://mastoxiv.page/@arX…

Holstein mechanism in single-site model with unitary evolution
We consider the Holstein mechanism in single electron (one-site) system with unitary evolution that is intrinsic to both the fermion and boson operators in the case of nonadiabatic limit. The unitary dynamics as well as boson-frequency-dependence provide the evidence of quantum phase transition from the distinct behaviors at short-time and long-time stages, which exhibit power law and exponential law decay, respectively, as can be seem from the polaronic shift.

This https://arxiv.org/abs/2411.03399 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hepe…

Study of $D_{s1}(2460)^{+}\to D_{s}^{+}π^{+}π^{-}$ in $B\to {\bar{D}}^{(*)}D_{s}^{+}π^{+}π^{-}$ decays
An amplitude analysis of the $D_{s1}(2460)^+\to D_{s}^{+}π^{+}π^{-}$ transition is performed simultaneously in $B^{0}\to D^{-}D_{s}^{+}π^{+}π^{-}$, $B^{+}\to{\bar{D}}^{0} D_{s}^{+}π^{+}π^{-}$, and $B^{0}\to D^{*-}D_{s}^{+}π^{+}π^{-}$ decays. The study is based on a data sample of proton-proton collisions recorded with the LHCb detector at centre-of-mass energies of $\sqrt{s}=7,8,$ and $13\,$TeV, corresponding to a total integrated luminosity of $9\,\rm{fb}^{-1}$. A clear double-peak str…

This https://arxiv.org/abs/2312.17213 has been replaced.
initial toot: https://mastoxiv.page/@a…

Possible Unconventional Surface Superconductivity in the Half-Heusler YPtBi
We report an extensive study of the noncentrosymmetric half-Heusler superconductor YPtBi, revealing an unusual relation between bulk superconductivity and the possible appearance of surface superconductivity on the (111) oriented surface, at temperatures up to 3 times the bulk transition temperature. Transport measurements confirmed the low carrier density of the material and its bulk superconducting transition, which was also observed in ac susceptibility through mutual inductance (MI) measure…

This https://arxiv.org/abs/2408.13266 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_qfi…

Impact of Climate transition on Credit portfolio's loss with stochastic collateral
The aim of this work is to propose an end-by-end modeling framework to evaluate the risk measures of a bank's portfolio of collateralized loans in an economy subject to the climate transition. The economy, organized in sectors, is driven by a multidimensional Ornstein-Uhlenbeck (OU) productivity process while the climate transition is declined thanks to continuous deterministic carbon price and intensities processes. We thus derive the dynamics of macroeconomic variables for each scenario. By c…

A better name for wind farms, solar parks, big hydro:
"Non renewable systems for capturing renewable energy flows."
Term used by Pedro Petro (cited by @… in his "The uncomfortable truths about the energy transition" (in Spanish).

This https://arxiv.org/abs/2408.11158 has been replaced.
initial toot: https://mastoxiv.page/@ar…

A Transition Edge Sensor Operated in Coincidence with a High Sensitivity Athermal Phonon Sensor for Photon Coupled Rare Event Searches
Experimental searches for axions or dark photons that couple to the standard model photon require photosensors with low noise, broadband sensitivity, and near zero backgrounds. Here, we introduce an experimental architecture, in which a small photon sensor, in our case a Transition Edge Sensor (TES) with a photon energy resolution $σ_γ= 368.4 \pm 0.4$ meV, is colocated on the same substrate as a large high sensitivity athermal phonon sensor (APS) with a phonon energy resolution $σ_\mathrm{ph…

Unconventional magnon transport in antiferromagnet NiPS$_3$ induced by an anisotropic spin-flop transition
Peisen Yuan, Beatriz Mart\'in-Garc\'ia, Evgeny Modin, M. Xochitl Aguilar-Pujol, F\`elix Casanova, Luis E. Hueso
https://arxiv.org/abs/2505.23482

Unconventional magnon transport in antiferromagnet NiPS$_3$ induced by an anisotropic spin-flop transition
Nonlocal magnon transport can provide valuable insight into the magnetic properties of magnetic insulators (MIs). A spin-flop transition, a typical magnetic reorientation in antiferromagnets, is expected to affect mag non transport, but studies on this topic are still rare and remain challenging, especially for van der Waals materials. Here we demonstrate the unconventional magnon transport driven by an anisotropic spin-flop transition in the van der Waals antiferromagnet NiPS$_3$. Examining th…

This https://arxiv.org/abs/2412.12205 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_nuc…

Radiative Capture Reaction $d(α,γ)^{6}\mathrm{Li} $ in Cluster Effective Field Theory
In this study, we focus on the radiative capture process of the deuteron on alpha particle leading to the formation of $^6{\textrm{Li}}$ in the two-body formalism through the cluster effective field theory~(CEFT). It was the primitive nuclear reaction to produce ${^6 \textrm{Li}}$ in a few minutes after the Big Bang. In detail, we outline the calculation of the dominant $E1$ and $E2$ electromagnetic transition amplitudes of $d(α,γ){^6\textrm{Li}}$. Then, we obtain the astrophysical S-factor b…

Distributional Consequences of Political Freedom: Inequality in Transition Countries
Monika Weso{\l}owska, S{\l}awomir Ku\'zmar, Bartosz Totleben
https://arxiv.org/abs/2505.23336

Distributional Consequences of Political Freedom: Inequality in Transition Countries
This article addresses the origins of income inequality in post-socialist countries from Central and Eastern Europe and Central Asia, from 1991 to 2016. The aim is to analyze the relationship between democracy and income inequality. In previous studies, this topic has led to ambiguous findings, especially in the context of the group of countries we are focusing on. We examine whether the process of democratization cooccurred with changes in income distribution over the entire period under study…

Importance of pressure-dependent electronic interactions and magnetic order on pressure-driven insulator-metal transitions in MnO and NiO
Bei-Lei Liu, Yue-Chao Wang, Yuan-Ji Xu, Xingyu Gao, Hai-Feng Liu, Hai-Feng Song
https://arxiv.org/abs/2505.23466

Importance of pressure-dependent electronic interactions and magnetic order on pressure-driven insulator-metal transitions in MnO and NiO
The pressure-driven insulator-metal transition is a crucial topic in condensed matter physics. However, even for the prototypical strongly correlated system, NiO, the critical pressure for transition remains debated. In this work, we evaluated the electronic interactions over a wide range of pressures based on our developed doubly-screened Coulomb correction method and investigated the effects of pressure-dependent electronic interactions and their interplay with magnetic order on the transitio…

On the intracyclic instability in Stokes layers
Mengqi Zhang
https://arxiv.org/abs/2505.21913 https://arxiv.org/pdf/2505.21913…

On the intracyclic instability in Stokes layers
Time-dependent fluid dynamics plays a crucial role in both natural phenomena and industrial applications. Understanding the flow instabilities and transitions within these dynamical systems is essential for predicting and controlling their unsteady behaviour. A classic example of time-dependent flow is the Stokes layer. To study the transition mechanism in this flow, we employ the Finite-Time Lyapunov Exponent (FTLE) to demonstrate that a linear energy amplification mechanism may explain the in…

Die USA ersetzen https://www.german-foreign-policy.com/news/detail/9923

Infinite symmetry prevents disorder-induced localization in 2D
Carlo A. Trugenberger
https://arxiv.org/abs/2506.01785 https://arxiv.o…

Infinite symmetry prevents disorder-induced localization in 2D
We show that 2D gapped many-body quantum states are constrained by an infinite-dimensional symmetry which renders them transparent to weak disorder. This prevents disorder-induced localization when interactions are strong enough to open a gap. Using purely algebraic methods we derive all possible quantum states near the superconductor-to-insulator (SIT) transition and we compute the meson spectrum of superinsulators.

This https://arxiv.org/abs/2502.00874 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csDL_…

Paper Copilot Position: The Artificial Intelligence and Machine Learning Community Should Adopt a More Transparent and Regulated Peer Review Process
The rapid growth of submissions to top-tier Artificial Intelligence (AI) and Machine Learning (ML) conferences has prompted many venues to transition from closed to open review platforms. Some have fully embraced open peer reviews, allowing public visibility throughout the process, while others adopt hybrid approaches, such as releasing reviews only after final decisions or keeping reviews private despite using open peer review systems. In this work, we analyze the strengths and limitations of …

Dynamic signature of the thermodynamic transition in a novel mean field system
Ehtesham Anwar, Ujjwal Kumar Nandi, Palak Patel, Sanket Kumawat, Sarika Maitra Bhattacharyya
https://arxiv.org/abs/2505.23371

Dynamic signature of the thermodynamic transition in a novel mean field system
Understanding the connection between thermodynamics and dynamics in glass-forming liquids remains a central challenge in condensed matter physics. In this study, we investigate a novel model system that enables a continuous crossover from a standard three dimensional liquid to a fully connected mean field like system by introducing pseudo neighbours. These pseudo neighbours enhance the effective connectivity of the system without altering its local structure. While their presence slows down the…

This https://arxiv.org/abs/2504.07472 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csSE_…

HACMony: Automatically Detecting Hopping-related Audio-stream Conflict Issues on HarmonyOS
HarmonyOS is emerging as a popular distributed operating system for diverse mobile devices. One of its standout features is app-hopping, which allows users to seamlessly transition apps across different HarmonyOS devices. However, when apps playing audio streams hop between devices, they can easily trigger Hopping-related Audio-stream Conflict (HAC) scenarios. Improper resolution of HAC will lead to significant HAC issues, which are harder to detect compared to single-device audio-stream confli…

SealOS : A Sealos-based Approach for Adaptive Resource Optimization Under Dynamic Workloads for Securities Trading System
Haojie Jia, Zhenhao Li, Gen Li, Minxian Xu, Kejiang Ye
https://arxiv.org/abs/2505.23258

SealOS+: A Sealos-based Approach for Adaptive Resource Optimization Under Dynamic Workloads for Securities Trading System
As securities trading systems transition to a microservices architecture, optimizing system performance presents challenges such as inefficient resource scheduling and high service response delays. Existing container orchestration platforms lack tailored performance optimization mechanisms for trading scenarios, making it difficult to meet the stringent 50ms response time requirement imposed by exchanges. This paper introduces SealOS+, a Sealos-based performance optimization approach for securi…

This https://arxiv.org/abs/2505.07655 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hept…

Flowing from the Ising Model on the Fuzzy Sphere to the 3D Lee-Yang CFT
We employ the Fuzzy Sphere regulator to study the 3D Lee-Yang CFT. The model is defined by deforming the Ising model on the Fuzzy Sphere via a purely imaginary longitudinal magnetic field. This model undergoes a quantum phase transition, whose critical point we determine and identify with the 3D Lee-Yang CFT. We show how to tune the model and find that the lowest-lying states of the Hamiltonian align well with the expected CFT spectrum. We discuss the Fuzzy Sphere estimates for the scaling dime…

Structural Stability of Sulfur Depleted MoS2
Ygor M. Jaques, Cristiano F. Woellner, Lucas M. Sassi, Marcelo L. Pereira Jr, Luiz A. Ribeiro Jr, Pulickel M. Ajayan, Douglas S. Galv\~ao
https://arxiv.org/abs/2505.24644

Structural Stability of Sulfur Depleted MoS2
Transition metal dichalcogenides (TMDs), particularly monolayer MoS2, have received increased attention in materials science and have been exploited in diverse applications from photonics to catalysis. Defects in TMDs play a crucial role in modulating their properties, and understanding defect-induced dynamics is of great importance. This study investigates the dynamics of sulfur depletion in defective monolayer MoS2, which yields stable MoS monolayers. Various defect sizes, temperature regimes…

This https://arxiv.org/abs/2412.12485 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_ees…

Rydberg Atomic Receiver: Next Frontier of Wireless Communications
Rydberg Atomic REceiver (RARE) is driving a paradigm shift in electromagnetic (EM) wave measurement by harnessing the electron transition phenomenon of Rydberg atoms. Operating at the quantum scale, such receivers have the potential to breakthrough the performance limit of classic receivers, sparking a revolution in physical-layer wireless communications. The objective of this paper is to offer insights into RARE-empowered communications. We first provide a comprehensive introduction to the fun…

Anderson transition in high dimension: comments to arXiv:2403.01974
I. M. Suslov (P.L.Kapitza Institute for Physical Problems, Moscow, Russia)
https://arxiv.org/abs/2505.22676

Anderson transition in high dimension: comments to arXiv:2403.01974
In the recent submission arXiv:2403.01974, Altshuler et al suggested a new approach to the Anderson transition in high dimensions. The main idea consists in the use of the branching graphs instead of high-dimensional lattices: it does not look very convincing, but we do not want to stress this point. Since the authors welcome comments, we put forward a lot of objections to their exposition of the general situation. The arising hypothesis is given in the end.

Physics Computational Literacy: Programming, modeling and collaboration at the journeyman level
Karl Henrik Fredly, Tor Ole B. Odden, Ben Zwickl
https://arxiv.org/abs/2505.21246

Physics Computational Literacy: Programming, modeling and collaboration at the journeyman level
Computation has become an integral part of physics research. However, little is known about how students learn to productively use computation as a tool beyond the introductory level, especially as they transition into physics research. In this study, we apply the theory of Physics Computational Literacy and the Novice-Expert framework to describe the development of expertise in computational physics, as students transition from novice to journeymen computational physicists. We base this descri…

Symmetry breaking in time-dependent billiards
Anne K\'etri Pasquinelli da Fonseca, Edson Denis Leonel
https://arxiv.org/abs/2505.20488 https://

Symmetry breaking in time-dependent billiards
We investigate symmetry breaking in a time-dependent billiard that undergoes a continuous phase transition when dissipation is introduced. The system presents unlimited velocity, and thus energy growth for the conservative dynamics. When inelastic collisions are introduced between the particle and the boundary, the velocity reaches a plateau after the crossover iteration. The system presents the expected behavior for this type of transition, including scale invariance, critical exponents relate…

La moitié de la hausse du prix catalogue des voitures résulte des choix posés par les constructeurs eux-mêmes, selon une étude de l’Institut Mobilités en Transition (IMT)
#mobilité #voitures

This https://arxiv.org/abs/2505.10907 has been replaced.
initial toot: https://mastoxiv.page/@a…

Effect of crystallinity on spin-orbit torque in 5$\textit{d}$ iridium oxide IrO$_{2}$
The 5$\textit{d}$ transition-metal oxides provide an intriguing platform for generating an efficient spin current due to a unique electronic structure dominated by 5d electrons with strong spin-orbit coupling. Here, we report on the effect of crystallinity on current-driven spin-orbit torque (SOT) in binary 5$\textit{d}$ iridium oxide IrO$_{2}$ thin films by controlling amorphous, polycrystalline, and epitaxial states. By conducting harmonic Hall measurement in bilayers composed of ferromagneti…

Strained 2D TMD lateral heterojunctions via grayscale thermal-Scanning Probe Lithography
G. Zambito (Dipartimento di Fisica, Universit\`a di Genova, Genova, Italy), G. Ferrando (Dipartimento di Fisica, Universit\`a di Genova, Genova, Italy), M. Barelli (Dipartimento di Fisica, Universit\`a di Genova, Genova, Italy), M. Ceccardi (Dipartimento di Fisica, Universit\`a di Genova, Genova, Italy), F. Caglieris (CNR-SPIN, Genova, Italy), D. Marre (Dipartimento di Fisica, Universit\`a di Genov…

Strained 2D TMD lateral heterojunctions via grayscale thermal-Scanning Probe Lithography
Nanoscale tailoring of the optoelectronic response of 2D Transition Metal Dichalcogenides semiconductor layers (TMDs) has been achieved thanks to a novel strain engineering approach based on the grayscale thermal-Scanning Probe Lithography (t-SPL). This method allows the maskless nanofabrication of locally strained 2D MoS2-Au lateral heterojunction nanoarrays that are characterized by asymmetric electrical behavior. 2D MoS2 layers are conformally transferred onto grayscale t-SPL templates chara…

The Chemical Clock of High-mass Star-forming Regions: N2H /CCS
J. L. Chen, J. S. Zhang, J. X. Ge, Y. X. Wang, H. Z. Yu, Y. P. Zou, Y. T. Yan, X. Y. Wang, D. Y. Wei
https://arxiv.org/abs/2505.23221

The Chemical Clock of High-mass Star-forming Regions: N2H+/CCS
Using the IRAM 30 m telescope, we presented observations of N2H+ J = 1-0, CCS JN = 87-76 and 77-66 lines toward a large sample of ultracompact HII regions (UC HIIs). Among our 88 UC HIIs, 87 and 33 sources were detected in the N2H+ J = 1-0 and CCS JN = 87-76 lines, respectively. For the CCS 77-66 transition, we detected emission in 10 out of 82 targeted sources, all of which also exhibited emission in the CCS JN = 87-76 line. Physical parameters are derived for our detections, including the opt…

Weak localization as probe of spin-orbit-induced spin-split bands in bilayer graphene proximity coupled to WSe$_2$
E. Icking, F. W\"ortche, A. W. Cummings, A. W\"ortche, K. Watanabe, T. Taniguchi, C. Volk, B. Beschoten, C. Stampfer
https://arxiv.org/abs/2505.24632

Weak localization as probe of spin-orbit-induced spin-split bands in bilayer graphene proximity coupled to WSe$_2$
Proximity coupling of bilayer graphene (BLG) to transition metal dichalcogenides (TMDs) offers a promising route to engineer gate-tunable spin-orbit coupling (SOC) while preserving BLG's exceptional electronic properties. This tunability arises from the layer-asymmetric electronic structure of gapped BLG, where SOC acts predominantly on the layer in contact with the TMD. Here, we present high-quality BLG/WSe$_2$ devices with a proximity-induced SOC gap and excellent electrostatic control. Opera…

Prediction and Synthesis of Mg$_4$Pt$_3$H$_6$: A Metallic Complex Transition Metal Hydride Stabilized at Ambient Pressure
Wencheng Lu, Michael J. Hutcheon, Mads F. Hansen, Kapildeb Dolui, Shubham Sinha, Mihir R. Sahoo, Chris J. Pickard, Christoph Heil, Anna Pakhomova, Mohamed Mezouar, Dominik Daisenberger, Stella Chariton, Vitali Prakapenka, Matthew N. Julian, Rohit P. Prasankumar, Timothy A. Strobel

Prediction and Synthesis of Mg$_4$Pt$_3$H$_6$: A Metallic Complex Transition Metal Hydride Stabilized at Ambient Pressure
The low-pressure stabilization of superconducting hydrides with high critical temperatures ($T_c$s) remains a significant challenge, and experimentally verified superconducting hydrides are generally constrained to a limited number of structural prototypes. Ternary transition-metal complex hydrides (hydrido complexes)-typically regarded as hydrogen storage materials-exhibit a large range of compounds stabilized at low pressure with recent predictions for high-$T_c$ superconductivity. Motivated …

A theory for diffusion-controlled reactions within nonequilibrium steady-states
Seokjin Moon, David T. Limmer
https://arxiv.org/abs/2505.22623 https://

A theory for diffusion-controlled reactions within nonequilibrium steady-states
We study diffusion-controlled processes in nonequilibrium steady-states, where standard rate theory assumptions break down. Using transition path theory, we generalize the relations between reactive probability fluxes and measures of the rate of the reaction. Stochastic thermodynamics analysis reveals how work constrains the enhancement of rates relative to their equilibrium values. An analytically solvable ion-pairing model under a strong electric field illustrates and validates our approach a…

This https://arxiv.org/abs/2409.02236 has been replaced.
initial toot: https://mastoxiv.page/@a…

Umklapp-driven first-order transition into a charge-density wave phase
Using phenomenological Landau free energy, we systematically analyze influence of so-called umklapp contributions on the phase diagram of a solid hosting a commensurate charge-density wave phase. The umklapp terms may change the transition into the ordered state from continuous (second-order) to discontinuous (first-order). Additional elements, such as critical and tricritical points, emerge on the phase diagram under suitable conditions. The proposed mechanism is generalized for the case of ne…

Constraints on the strength of first-order phase transition in the low density region
Bikai Gao
https://arxiv.org/abs/2505.21970 https://

Constraints on the strength of first-order phase transition in the low density region
We systematically studied the first-order phase transitions in the low-density region of neutron star matter using a unified framework combining the parity doublet model for hadronic matter, an NJL-type quark model for high-density quark matter, and a model-independent intermediate region treatment. By confronting with recent neutron star observation constraints, we find it possible to have the early phase transitions (PT) at low densities ($n_B \leq 2n_0$) in a way consistent with existing neu…

Tuning the Chern number of Kitaev quantum spin liquid
Seong Jun Kwon, Kyusung Hwang, Suk Bum Chung
https://arxiv.org/abs/2505.23282 https://

Tuning the Chern number of Kitaev quantum spin liquid
It is now well understood that non-Kitaev spin interactions can be added to the Kitaev quantum spin liquid by applying external fields. Recent years have seen intensive discussion on the possible phase transitions that these spin interactions induce. In this paper, we will show through the perturbation theory the possibility of accessing a gapped spin liquid phase with a higher Chern number through, in contrast to the cases studied in literature, a continuous phase transition. Such a transition…

Frictional Contact Network in Dense Suspension Flow
Shweta Sharma, Abhishek Sharma, Abhinendra Singh
https://arxiv.org/abs/2505.22747 https://

Frictional Contact Network in Dense Suspension Flow
Dense particulate suspensions often exhibit a dramatic increase in viscosity in response to external deformation. This shear thickening behavior has been related to a transition from lubricated, unconstrained pairwise motion to a frictional contact network (FCN) at high stresses. Here, we study the characteristics of the FCN formed during shear thickening to investigate the role of constraints, emphasizing the impact of resistance to gear-like rolling. We contrast the FCN formed by sliding fric…

This https://arxiv.org/abs/2502.08915 has been replaced.
initial toot: https://mastoxiv.page/@a…

Metal-to-superconductor Transition Induced by Lithium Adsorption on Monolayer 1$T$-Nb$_2$C
Recently, two-dimensional Nb$_2$C has garnered increasing attention due to its functional-group-dependent superconductivity, both experimentally and theoretically. In contrast to the halogen and chalcogen additives that have been the main focus of previous studies, we study the effect of lithium adsorption, which can also be incorporated during the synthesis of Nb$_2$C. Our computational analysis reveals a metal-to-superconductor transition in monolayer Nb$_2$C with a critical temperature ($T_{…

This https://arxiv.org/abs/2411.10247 has been replaced.
initial toot: https://mastoxiv.page/@arX…

Anderson localization induced by structural disorder
We examine the onset of Anderson localization in three-dimensional systems with structural disorder in the form of lattice irregularities and in the absence of any on-site disordered potential. Analyzing two models with distinct types of lattice regularities, we show that the Anderson localization transition occurs when the strength of the structural disorder is smoothly increased. Performing finite-size scaling analysis of the results, we show that the transition belongs to the same universali…

This https://arxiv.org/abs/2505.05386 has been replaced.
initial toot: https://mastoxiv.page/@a…

Ballistic-to-diffusive transition in engineered counter-propagating quantum Hall channels
Exotic quantum Hall systems hosting counter-propagating edge states can show seemingly non-universal transport regimes, usually depending on the size of the sample. We experimentally probe transport in a quantum Hall sample engineered to host a tunable number of counter-propagating edge states. The latter are coupled by Landauer reservoirs, which force charge equilibration over a tunable effective length. We show that charge transport is determined by the balance of up- and downstream channels,…

Selenization of V2O5/WO3 Bilayers for Tuned Optoelectronic Response of WSe2 Films
Abhishek Bajgain, Santu Prasad Jana, Alexander Samokhvalov, Thomas Parker, John Derek Demaree, Ramesh C. Budhani
https://arxiv.org/abs/2505.22800

Selenization of V2O5/WO3 Bilayers for Tuned Optoelectronic Response of WSe2 Films
Scalable and controlled doping of two-dimensional transition metal dichalcogenides is essential for tuning their electronic and optoelectronic properties. In this work, we demonstrate a robust approach for substitution of vanadium in tungsten diselenide (WSe$_2$) via the selenization of pre-deposited V$_2$O$_5$/WO$_3$ thin films. By adjusting the thickness of the vanadium oxide layer, the V concentration in W$_{1-x}$V$_x$Se$_2$ is systematically varied. Electrical measurements on field-effect t…

This https://arxiv.org/abs/2501.07780 has been replaced.
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Thermal Annealing and Radiation Effects on Structural and Electrical Properties of NbN/GaN Superconductor/Semiconductor Junctions
In the rapidly evolving field of quantum computing, niobium nitride (NbN) superconductors have emerged as integral components due to their unique structural properties, including a high superconducting transition temperature (Tc), exceptional electrical conductivity, and compatibility with advanced device architectures. This study investigates the impact of high-temperature annealing and high-dose gamma irradiation on the structural and superconducting properties of NbN films grown on GaN via r…

Dimensionality-Driven Anomalous Metallic State with Zero-field Nonreciprocal Transport in Layered Ising Superconductors
Yanwei Cui, Zenglin Liu, Qin Liu, Junlin Xiong, Yongqin Xie, Yudi Dai, Ji Zhou, Lizheng Wang, Hanyan Fang, Haiwen Liu, Shi-Jun Liang, Bin Cheng, Feng Miao
https://arxiv.org/abs/2505.22274

Dimensionality-Driven Anomalous Metallic State with Zero-field Nonreciprocal Transport in Layered Ising Superconductors
The anomalous metal state (AMS), observed in failed superconductors, provides insights into superconductivity and quantum criticality, with studies revealing unconventional quantum phases like the Bose metal. Recently, layered transition metal dichalcogenide (TMD) superconductors approaching the two-dimensional limit have garnered significant attention for the enhanced phase fluctuations and electronic correlations. Investigating AMS in these systems, particularly in the absence of an external …