Tootfinder

ZTaint-Havoc: From Havoc Mode to Zero-Execution Fuzzing-Driven Taint Inference
Yuchong Xie, Wenhui Zhang, Dongdong She
https://arxiv.org/abs/2506.08838 htt…

ZTaint-Havoc: From Havoc Mode to Zero-Execution Fuzzing-Driven Taint Inference
Fuzzing is a widely used technique for discovering software vulnerabilities, but identifying hot bytes that influence program behavior remains challenging. Traditional taint analysis can track such bytes white-box, but suffers from scalability issue. Fuzzing-Driven Taint Inference (FTI) offers a black-box alternative, yet typically incurs significant runtime overhead due to extra program executions. We observe that the commonly used havoc mutation scheme in fuzzing can be adapted for lightweigh…

A core-sensitive mixed $f$/$g$ mode of the Sun predicted by wave topology and hydrodynamical simulation
Arthur Le Saux, Armand Leclerc, Guillaume Laibe, Pierre Delplace, Antoine Venaille
https://arxiv.org/abs/2506.09572

A core-sensitive mixed $f$/$g$ mode of the Sun predicted by wave topology and hydrodynamical simulation
Helioseismology has revolutionized our understanding of the Sun by analyzing its global oscillation modes. However, the solar core remains elusive, limiting a full understanding of its evolution. In this work, we study a previously unnoticed global oscillation mode of the Sun using a fully compressible, hydrodynamical simulation of the solar interior, and assess that it is a mixed $f$/$g$ mode with a period of about one hour. This is the first global stellar hydrodynamics simulation that succes…

Spatial and Pulse Efficiency Constraints in Atom Interferometric Gravitational Wave Detectors
Patrik Schach, Enno Giese
https://arxiv.org/abs/2506.09511 ht…

Spatial and Pulse Efficiency Constraints in Atom Interferometric Gravitational Wave Detectors
Currently planned and constructed terrestrial detectors for gravitational waves and dark matter based on differential light-pulse atom interferometry are designed around three primary strategies to enhance their sensitivity: (i) Resonant-mode enhancement using multiple diamonds, (ii) large-momentum-transfer techniques to increase arm separation within the interferometer, and (iii) very-long baseline schemes that increase the distance between the two interferometers. Both resonant-mode enhanceme…

High-throughput polarization-independent spatial mode shaping with mode-selective photonic lanterns
Harikumar K Chandrasekharan, Ross Donaldson
https://arxiv.org/abs/2506.08595

High-throughput polarization-independent spatial mode shaping with mode-selective photonic lanterns
Coherent interference in multimode photonic systems offers a transformative approach for scalable, high-fidelity optical control, enabling precise beam shaping, efficient power delivery, and advanced signal processing through single-mode performance. Current techniques are often constrained to a single polarization state of light, system complexity, and the fabrication challenges associated with precise waveguide structures. Here, we present a high-efficiency coherent combination scheme employi…

The number of maximal matchings in polygon rings
Chengqi Li, Jinhui Yin, Lingjuan Shi
https://arxiv.org/abs/2506.08687 https://arxiv.…

The number of maximal matchings in polygon rings
A matching of graph $G$ is maximal if it cannot be expanded by adding any edge to create a larger matching. In this paper, for a hexagonal ring $H$ with $n$ hexagons, we show that the number of maximal matchings of $H$ equals to the trace of the product of $n$ matrices, each of which is $S$, $L$, or $R$ according to the type of the connection mode of $H$. Finally, we extend this conclusion to arbitrary polygon rings and provide an algorithm to determine the transition matrices of polygon chains…

Scale-dependent bias and mode coupling in redshift-space clustering near the BAO scale
Aseem Paranjape (IUCAA), Ravi K. Sheth (UPenn/ICTP)
https://arxiv.org/abs/2506.08082

Scale-dependent bias and mode coupling in redshift-space clustering near the BAO scale
The baryon acoustic oscillation (BAO) feature in the 2-point clustering of biased tracers in redshift space can be described in a model-agnostic manner, relying only on the assumption that nonlinear growth approximately smears this feature with a Gaussian kernel sourced by gravitationally driven bulk flows as in the Zel'dovich approximation. An explicit model that demonstrated this in recent work did not account for two physical effects that are very likely observationally relevant in the conte…

Android 16 review: live updates and Advanced Protection are nice, but features like desktop mode and Material 3 Expressive design won't come until later in 2025 (Ryan Whitwam/Ars Technica)
https://arstechnica.com/gadgets/2025/06/an…

Android 16 is here, but the cool stuff is coming later
Android 16 arrives with a few new goodies, but the big changes are still cooking.

Time-Dependent Precision Measurement of $B_s^0\rightarrow \phi \mu^ \mu^-$ Decay at FCC-$ee$
Tsz Hong Kwok, Zachary Polonsky, Valeriia Lukashenko, Jason Aebischer, Ben Kilminster
https://arxiv.org/abs/2506.08089

Time-Dependent Precision Measurement of $B_s^0\rightarrow ϕμ^+μ^-$ Decay at FCC-$ee$
We study the feasibility of measuring time-dependent $C\!P$ violation in the rare flavor-changing neutral current (FCNC) decay $B_s^0 \rightarrow ϕ(\rightarrow K^+K^-) μ^+ μ^-$ at the FCC-$ee$. In the Standard Model (SM), $C\!P$ violation in this mode arises only at higher orders and is highly suppressed. Extensions of the SM, collectively referred to as New Physics (NP), can introduce additional $C\!P$-violating phases that enhance such effects. The decay $B_s^0 \rightarrow ϕμ^+ μ^-$, me…

🇺🇦 Auf radioeins läuft...
Depeche Mode:
🎵 Dream On
#NowPlaying #DepecheMode
https://alexeysonar.bandcamp.com/album/depeche-mode-dream-on-alexey-sonar-bootleg
https://open.spotify.com/track/3fIsVx19pqTGejb7cwlLQB

Online Learning Control Strategies for Industrial Processes with Application for Loosening and Conditioning
Yue Wu, Jianfu Cao, Ye Cao
https://arxiv.org/abs/2506.08983

Online Learning Control Strategies for Industrial Processes with Application for Loosening and Conditioning
This paper proposes a novel adaptive Koopman Model Predictive Control (MPC) framework, termed HPC-AK-MPC, designed to address the dual challenges of time-varying dynamics and safe operation in complex industrial processes. The framework integrates two core strategies: online learning and historically-informed safety constraints. To contend with process time-variance, a Recursive Extended Dynamic Mode Decomposition (rEDMDc) technique is employed to construct an adaptive Koopman model capable of …

Quasinormal spectra of a wormhole family: overtone features and a parameter-controlled redshift
Abhisek Barman Maji (Indian Institute of Technology Kharagpur, India), Sayan Kar (Indian Institute of Technology Kharagpur, India)
https://arxiv.org/abs/2506.09860

Quasinormal spectra of a wormhole family: overtone features and a parameter-controlled redshift
Though investigated extensively in the past, we take a detailed relook at the study of quasinormal modes (QNM) in a known family of wormholes (ultrastatic ($g_{00}=-1$), as well as spacetimes with different, non-constant $g_{00}$), which includes the familiar Bronnikov-Ellis spacetime as a special case. Our focus here is to go beyond the fundamental mode and obtain some of the QNM overtones using a suitable numerical scheme. Scalar and axial gravitational QNMs including two or three overtones a…

I know as a developer just how hard it is to actually make it work, but perhaps the lesson of the Liquid Glass public reaction fiasco is for Apple to just give users •much• more control over the UI theme.
Between the retina transition, iOS 7, accessibility improvements like variable text size, dark mode support, and the long migration away from hard-coded layouts, we developers have grown used to making more adaptable UIs. Lots of the building blocks for OS-level theming are there, both in SwiftUI and in UIKit.
If Apple said “Themes are coming!” at WWDC 26, developers would adapt.
Assuming we still have a functioning society at that point.
From @…:
https://mastodon.social/@realmacdan/113792374380828124

sparseGeoHOPCA: A Geometric Solution to Sparse Higher-Order PCA Without Covariance Estimation
Renjie Xu, Chong Wu, Maolin Che, Zhuoheng Ran, Yimin Wei, Hong Yan
https://arxiv.org/abs/2506.08670

sparseGeoHOPCA: A Geometric Solution to Sparse Higher-Order PCA Without Covariance Estimation
We propose sparseGeoHOPCA, a novel framework for sparse higher-order principal component analysis (SHOPCA) that introduces a geometric perspective to high-dimensional tensor decomposition. By unfolding the input tensor along each mode and reformulating the resulting subproblems as structured binary linear optimization problems, our method transforms the original nonconvex sparse objective into a tractable geometric form. This eliminates the need for explicit covariance estimation and iterative …

Nonlinear input-output analysis of transitional shear flows using small-signal finite-gain $\mathcal{L}_p$ stability
Zhengyang Wei, Chang Liu
https://arxiv.org/abs/2506.08129

Nonlinear input-output analysis of transitional shear flows using small-signal finite-gain $\mathcal{L}_p$ stability
Input-output analysis has been widely used to predict the transition to turbulence in wall-bounded shear flows, but it typically does not capture the full nonlinear effects involved. This work employs the Small-Signal Finite-Gain (SSFG) Lp stability theorem to assess nonlinear input-output amplification and demonstrates its applicability using a nine-mode shear flow model with a random body force. Our analysis employs Linear Matrix Inequalities (LMI) and Sum-of-Squares (SOS) as the primary tool…

Discovery of a 1D edge mode in a Magnetic Topological semimetal
Avior Almoalem, Rebecca Chan, Brinda Kuthanazhi, Juan Scmidt, Jose A. Moreno, Hermann Suderow, Paul Canfield, Taylor L. hughes, Vidya Madhavan
https://arxiv.org/abs/2506.09041

Discovery of a 1D edge mode in a Magnetic Topological semimetal
In rare-earth monopnictides like NdBi, the interplay between magnetism and topology results in an extremely unusual topological semimetal phase which simultaneously hosts Weyl points with Fermi arcs as well as massive and massless Dirac cones. A central question in this class of materials is whether ferromagnetic surfaces with gapped Dirac cones can also host robust well-defined chiral edge states. In this study, we use spin-polarized scanning tunneling microscopy (SP-STM) and spectroscopy to i…

"see? AI is a scam!"
This REALLY isn't the hot take you think it is.
https://futurism.com/atari-beats-chatgpt-chess

ChatGPT "Absolutely Wrecked" at Chess by Atari 2600 Console From 1977
Despite all its advances, ChatGPT still, seemingly, is less smart than an Atari simulator on beginner mode.

Phonon- and magnon-mediated decoherence of a magnonic qubit
Vemund Falch, Arne Brataas, Jeroen Danon
https://arxiv.org/abs/2506.08823 https://

Phonon- and magnon-mediated decoherence of a magnonic qubit
We investigate the decoherence of magnonic qubits in small ferromagnetic insulators and compute the relaxation and dephasing rates due to magnon-phonon and magnon-magnon interactions. We combine a Bloch--Redfield description with Keldysh non-equilibrium field theory to find explicit expressions for the rates. For a quadratic dispersion and assuming a uniform mode defines the qubit, we find that decay into two phonons is the only allowed relaxation process at zero temperature. The low resonance …

The effect of plasma expansion on the dispersion properties of MHD waves
Sebasti\'an Saldivia, Felipe A. Asenjo, Pablo S. Moya
https://arxiv.org/abs/2506.08248

The effect of plasma expansion on the dispersion properties of MHD waves
In this work, we employ the set of ideal expanding magnetohydrodynamic (MHD) equations within the Expanding Box Model (EBM) framework to theoretically characterize the effects of radial solar wind expansion on its characteristic linear MHD waves. Through the analytical derivation of dispersion relations by a first-order expansion of the MHD-EBM equations, we explore the changes in wave propagation across a range of heliocentric distances on the linear magnetohydrodynamic modes: the Alfvén mode…

Collective Oscillations of Bose-Einstein Condensates in a Synthetic Magnetic Field
Huaxin He, Fengtao Pang, Yongping Zhang, Chunlei Qu
https://arxiv.org/abs/2506.09341

Collective Oscillations of Bose-Einstein Condensates in a Synthetic Magnetic Field
We study the collective oscillations of spin-orbit-coupled Bose-Einstein condensates in the presence of position-dependent detuning. Specifically, we explore the quadrupole modes of the system using both numerical and analytical approaches based on the Gross-Pitaevskii equation and hydrodynamic theory. Due to spin-orbit coupling and the synthetic magnetic field, {the $xy$ scissors mode couples with a superposition of the three diagonal quadrupole modes ($x^2$, $y^2$, and $z^2$),} resulting in t…

Bipartite entanglement extracted from multimode squeezed light generated in lossy waveguides
Denis A. Kopylov, Torsten Meier, Polina R. Sharapova
https://arxiv.org/abs/2506.09587 …

Bipartite entanglement extracted from multimode squeezed light generated in lossy waveguides
Entangled two-mode Gaussian states constitute an important building block for continuous variable quantum computing and communication protocols and are thus of high demand for many experiments. In this work, we study such kind of states which are extracted from multimode light generated via type-II parametric down-conversion (PDC) in lossy waveguides. For such states, we demonstrate that the squeezing quantifies entanglement and we construct a measurement basis which results in the maximal bipa…

No dark mode for SSMS?
SQL Shades to the rescue!
Free version adds plain dark mode to the IDE (fine by me.) Paid version supports additional themes.
This solution is cleaner than the rather hacky approach of modifying ssms.pkgundef to restore a half-finished dark theme commented out by SSMS developers apparently at the last moment.
"Finally, a real dark mode for SQL Server Management Studio!"

Finally, a real dark mode for SQL Server Management Studio!
Free add-in bringing a complete dark theme to SSMS.

Dual-mode superconducting diode effect enabled by in-plane and out-of-plane magnetic field
Chengyu Yan, Huai Guan, Zhenyu Zhang, Yiheng Sun, Qiao Chen, Xinming Zhao, Chuanwen Zhao, James Jun He, Shun Wang
https://arxiv.org/abs/2506.07354

Dual-mode superconducting diode effect enabled by in-plane and out-of-plane magnetic field
The discovery of the superconducting diode effect (SDE) has been cherished as a milestone in developing superconducting electronics. Tremendous efforts are being dedicated to realizing SDE in a wide variety of material platforms. Despite the diversity in the hosting materials and device designs, SDE is usually operated in a single mode which is enabled by either out-of-plane or in-plane magnetic field/magnetization. In this work, we report the realization of a dual-mode SDE in 2H-$\mathrm{NbS_2…

finally got around to add dark mode to my website 😎 #todayilearned in the process about a neat #css function: invert()
h…

invert() - CSS | MDN
The invert() CSS function inverts the color samples in the input image. Its result is a .

The VMC Survey -- LIV. Anomalous Cepheids in the Magellanic Clouds Period-Luminosity relations in the near-infrared bands
Teresa Sicignano, Vincenzo Ripepi, Marina Rejkuba, Martino Romaniello, Marcella Marconi, Roberto Molinaro, Anupam Bhardwaj, Giulia De Somma, Maria-Rosa Cioni, Felice Cusano, Gisella Clementini, Richard de Grijs, Valentin Ivanov, Jesper Storm, Martin Groenewegen

The VMC Survey -- LIV. Anomalous Cepheids in the Magellanic Clouds Period-Luminosity relations in the near-infrared bands
Anomalous Cepheids (ACs) are less studied metal-poor pulsating stars ([Fe/H]<-1.5) compared to Classical Cepheids (CCs) and RR Lyrae stars. They follow distinct Period-Luminosity (PL) and Period-Wesenheit (PW) relations and pulsate in either the fundamental (F) or first overtone (1O) mode. Our goal is to assess the precision and accuracy of AC-based distances and evaluate their potential for establishing an independent distance scale. We derive new PL and PW relations for F-mode, 1O-mode, and, …

Learning Correlated Astrophysical Foregrounds with Denoising Diffusion Probabilistic Models
Karthik Prabhu, Srinivasan Raghunathan, Ethan B. Anderes, Lloyd E. Knox
https://arxiv.org/abs/2506.09036

Learning Correlated Astrophysical Foregrounds with Denoising Diffusion Probabilistic Models
Extragalactic foregrounds -- most notably the Cosmic Infrared Background (CIB) and the thermal Sunyaev-Zel'dovich (tSZ) effect -- exhibit complex, non-Gaussian structure and correlations that can bias analyses of small-scale cosmic microwave background (CMB) temperature anisotropies. These foregrounds can introduce mode coupling at small-scales (multipoles $\ell \geq 3000$) that mimic true lensing signals, thereby complicating analyses such as CMB lensing reconstruction. We present a novel appr…

If the Finder icon looks reversed to you in macOS 26, then my guess is that you aren’t using Dark Mode…

Development of an imager with high time resolution optical photon counter
A. Sato, T. Nakamori, M. Shoji, T. Sato, K. Hashiyama, M. Hasebe, M. Maeshiro, R. Sato, R. Honda, M. Miyahara
https://arxiv.org/abs/2506.07442

Development of an imager with high time resolution optical photon counter
Astrophysical transient phenomena on sub-millisecond timescales, such as fast radio bursts and giant radio pulses from the Crab pulsar, have been primarily observed in radio wavebands. To investigate their origins, a photon detector with high sensitivity and high time resolution is required also in other wavelengths. Recently, we developed the Imager of MPPC-based Optical photoN counter from Yamagata (IMONY), an observation system utilizing a Geiger-mode avalanche photodiode (GAPD) as a sensor.…

iOS 26 adds glassy effects to 3rd party apps icons on its own, cool!
Similarly to how iOS 18 was able to add dark mode icons I suppose
#WWDC

Impact of the $(\ell=2,m=0)$ spherical harmonic mode with memory on parameter estimation for ground-based detectors
Maria Rossell\'o-Sastre, Sascha Husa, Sayantani Bera, Yumeng Xu
https://arxiv.org/abs/2506.05859

Impact of the $(\ell=2,m=0)$ spherical harmonic mode with memory on parameter estimation for ground-based detectors
We recently presented an efficient and accurate waveform model for the $(2,0)$ spherical harmonic mode including both the displacement memory contribution and the ringdown oscillations for aligned-spin binary black holes in quasi-circular orbits. The model we developed is constructed in time domain and implemented within the computationally efficient IMRPhenomTHM waveform model. In this article, we employ it to perform in-depth parameter estimation studies for future ground-based detectors, spe…

This https://arxiv.org/abs/2505.20823 has been replaced.
initial toot: https://mastoxiv.page/@ar…

Quantum Dynamics Predicts Coherent Oscillatory Behavior in the Early-times of a Photoisomerization Reaction
In this work, we study the quantum dynamics of a photoisomerization reaction employing a two-electronic-state three-vibrational-mode model of the 2-cis-penta-2,4-dieniminium cation (cis-PSB3). In particular, we address two main issues: the challenges encountered in properly converging quantum dynamics calculations, even when a reduced-dimensionality molecular model is used; the emergence of a coherent oscillatory behavior in the formation of the trans isomer upon photoexcitation of cis-PSB3. Th…

This https://arxiv.org/abs/2501.03597 has been replaced.
initial toot: https://mastoxiv.page/@arX…

An Analytical Model of Sorption-Induced Static Mode Nanomechanical Sensing for Multi-Component Analytes
Nanomechanical sensors and their arrays have attracted significant attention for detecting, distinguishing, and identifying target analytes, especially complex mixtures of odors. In the static mode operation, sensing signals are obtained by a concen-tration-dependent sorption-induced mechanical strain/stress. Understanding of the dynamic responses is crucial for develop-ing practical artificial olfaction; however, the analytical formulations are still limited to single-component analytes. Here,…

OpenAI announces an 80% price drop for its o3 model and a "flex" mode for synchronous processing that charges $5 for input and $20 for output per million tokens (Carl Franzen/VentureBeat)
https://venturebeat.com/ai/openai-anno

A family member sent me their android tablet because it's not connecting to the internet and they can't find the button for airplane mode. I told them that it needs to wait until I'm not burnt out. I'm trying to not feel bad about that.

Regularization of non-overshooting quasi-continuous sliding mode control for chattering suppression at equilibrium
Michael Ruderman, Denis Efimov
https://arxiv.org/abs/2506.05283 …

Regularization of non-overshooting quasi-continuous sliding mode control for chattering suppression at equilibrium
Robust finite-time feedback controller introduced for the second-order systems in [1] can be seen as a non-overshooting quasi-continuous sliding mode control. The paper proposes a regularization scheme to suppress inherent chattering due to discontinuity of the control [1] in the origin, in favor of practical applications. A detailed analysis with ISS and iISS proofs are provided along with supporting numerical results.

@… #HC24S — Over the past few days, I made and improved a PR adding Field Day support to the Open Source #MorseWalker #CW …

On the analytical approach to infinite-mode Boson-Gaussian states
Jorge R. Bola\~nos-Serv\'in, Roberto Quezada, Josu\'e I. Rios-Cangas
https://arxiv.org/abs/2506.04537

On the analytical approach to infinite-mode Boson-Gaussian states
We develop an analytical approach to quantum Gaussian states in infinite-mode representation of the Canonical Commutation Relations (CCR's), using Yosida approximations to define integrability of possibly unbounded observables with respect to a state $ρ$ ($ρ$-integrability). It turns out that all elements of the commutative $*$-algebra generated by a possibly unbounded $ρ$-integrable observable $A$, denoted by $\langle A\rangle$, are normal and $ρ\, $-integrable. Besides, $\langle A\rangle$…

This framing of long COVID is uh chilling. Not masking in public sure seems dumb.
https://thesicktimes.org/2025/05/06/long-covid-mode-seeing-the-crisis-through-games/

paris_transportation: Paris Transportation (2016)
A multiplex transportation network of Ile-de-France, jointly representing the road network, train network, and subway network. Nodes are intersections, rail stations or metro stations. Different modes of transportation are given by different layers. Within-layer edges represent direct transference by a particular mode of transportation, and between-layer edges represent the conjunction of those layers at that node.
This network ha…

Quantum transduction via generalized continuous-variable teleportation
Quntao Zhuang
https://arxiv.org/abs/2506.06899 https://arxiv.o…

Quantum transduction via generalized continuous-variable teleportation
Quantum transduction converts quantum states between different frequencies. Similarly, quantum teleportation transfers quantum states between different systems. While often appreciated for quantum communication between distant locations, teleportation can also operate between different frequencies. In terms of bosonic modes, quantum teleportation relies on two-mode squeezing -- squeezed on the balanced Einstein-Podolsky-Rosen (EPR) quadratures -- for entanglement and a balanced beamsplitter plu…

Whistler Chorus Amplification in the Magnetosphere: A Nonlinear Free-Electron Laser Model Based on the Ginzburg-Landau Equation
Brandon Bonham, Amitava Bhattacharjee
https://arxiv.org/abs/2506.06167

Whistler Chorus Amplification in the Magnetosphere: A Nonlinear Free-Electron Laser Model Based on the Ginzburg-Landau Equation
We present a novel nonlinear model for whistler-mode chorus amplification based on the free-electron laser (FEL) mechanism. First, we derive the nonlinear collective variable equations for the whistler-electron interaction. Consistent with in situ satellite observations, these equations predict that a small seed wave can undergo exponential growth, reaching a peak of a few hundred picoteslas after a few milliseconds, followed by millisecond timescale amplitude modulations. Next, we show that wh…

Crikey, just (finally) nailed the 'family photo gallery in a frame' functionality for my mum (with failing memory, in an assisted living situation) across the world. Can control it from here in Aotearoa (via screen share or ssh) with the extraordinarily handy 'RaspberryPi Connect' functionality. The key technologies are:
- Firefox (in kiosk mode),
- Immich (

Working with spreadsheets can be overwhelming. Introducing Grist's Focus Mode, a new way of working with spreadsheets that lets you make the most of your data: one cell at a time.

Enhancing Text Comprehension for Dyslexic Readers: A 3D Semantic Visualization Approach Using Transformer Mode
Zhengyang Li
https://arxiv.org/abs/2506.03731

Enhancing Text Comprehension for Dyslexic Readers: A 3D Semantic Visualization Approach Using Transformer Mode
Dyslexic individuals often face significant challenges with traditional reading, particularly when engaging with complex texts such as mystery novels. These texts typically demand advanced narrative tracking and information integration skills, making it difficult for dyslexic readers to fully comprehend the content. However, research indicates that while dyslexic individuals may struggle with textual processing, they often possess strong spatial imagination abilities. Leveraging this strength, …

Investigation of Neoclassical Tearing Mode Detection by ECE Radiometry in Tokamak Reactors via Asymptotic Matching Techniques
R. Fitzpatrick
https://arxiv.org/abs/2506.05553

Investigation of Neoclassical Tearing Mode Detection by ECE Radiometry in Tokamak Reactors via Asymptotic Matching Techniques
The TJ toroidal tearing mode code is used to make realistic predictions of the electron cyclotron emission (ECE) signals generated by neoclassical tearing modes (NTMs) in an ITER-like tokamak plasma equilibrium. In the so-called "outer region'', which comprises the bulk of the plasma, helical harmonics of the magnetic field with the same toroidal mode number as the NTM, but different poloidal mode numbers, are coupled together by the Shafranov shifts and shaping of the equilibrium magnetic flux…

Broadband Low-loss Unidirectional Reflection On-chip with Asymmetric Dielectric Metasurface
Heijun Jeong, Zeki Hayran, Yuan Liu, Yahui Xiao, Hwaseob Lee, Zi Wang, Jonathan Klamkin, Francesco Monticone, Tingyi Gu
https://arxiv.org/abs/2506.06872

Broadband Low-loss Unidirectional Reflection On-chip with Asymmetric Dielectric Metasurface
Metasurface has emerged as a powerful platform for controlling light at subwavelength thickness, enabling new functionalities for imaging, polarization manipulation, and angular momentum conversion within a flat surface. We explored an integrated asymmetric metasurface simultaneously achieving broadband, low loss forward power transmission, and significant back reflection sup-pression in multi-mode waveguides. The tapering along the direction of light propagation leads to low loss and space-eff…

i've upgraded the Ethernet controller applet for #GlasgowInterfaceExplorer
this is the main loop of the applet working in bridge mode (acting as a network card for your PC). no weird optimizations, no hacks, just a loop that forwards packets in normal boring Python
on a 100BASE-T link, i get ~95.5 Mbps [saturated link] of upload bandwidth and ~70 Mbps of downlo…

This https://arxiv.org/abs/2504.17781 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hept…

Thermal Product Formula for Shear Modes
We investigate the validity of the thermal product formula proposed in [arXiv:2304.12339], for the shear channel fluctuations of R-charged black branes in five-dimensional AdS where the shear mode is coupled with charge diffusion mode at non-zero momentum. When these modes are suitably decoupled, we are able to obtain an exact formula for the two point functions of the boundary current and energy-momentum tensor in terms of the quasinormal modes of this channel. This exact formula is a simple m…

Improving compiler support for SIMD offload using Arm Streaming SVE
Mohamed Husain Noor Mohamed, Adarsh Patil, Latchesar Ionkov, Eric Van Hensbergen
https://arxiv.org/abs/2506.02233

Improving compiler support for SIMD offload using Arm Streaming SVE
The wider adoption of tightly coupled core-adjacent accelerators, such as Arm Scalable Matrix Extension (SME), hinges on lowering software programming complexity. In this paper, we focus on enabling the use of SME architecture in Streaming Scalable Vector Extension (SSVE) mode for workloads written in C/C++. While current compilers optimize loops for all types of SIMD instructions, these techniques primarily target vector units within the core and falter when applied to disaggregated, core-adja…

Enhancing Measurement Precision of Non-Degenerate Two-Photon Absorption
Gaurav Shukla, Shahram Panahiyan, Devendra Kumar Mishra, Frank Schlawin
https://arxiv.org/abs/2506.07384

Enhancing Measurement Precision of Non-Degenerate Two-Photon Absorption
Recent theoretical and experimental studies have shown that squeezed states of light can be engineered to enhance the resolution of nonlinear optical measurements. Here, we analyze non-degenerate two-photon absorption signals obtained from transmission measurements using two-mode squeezed light and compare different measurement strategies. In particular, we investigate how correlations between the light modes may be used to improve the achievable precision. We find that intensity correlation me…

Nonlinear elastodynamic material identification of heterogeneous isogeometric Bernoulli-Euler beams
Bart{\l}omiej {\L}azorczyk, Roger A. Sauer
https://arxiv.org/abs/2506.04960

Nonlinear elastodynamic material identification of heterogeneous isogeometric Bernoulli-Euler beams
This paper presents a Finite Element Model Updating framework for identifying heterogeneous material distributions in planar Bernoulli-Euler beams based on a rotation-free isogeometric formulation. The procedure follows two steps: First, the elastic properties are identified from quasi-static displacements; then, the density is determined from modal data (low frequencies and mode shapes), given the previously obtained elastic properties. The identification relies on three independent discretiza…

Topologically Distinct Berry Phases in a Single Triangular M\"obius Microwave Resonator
E. C. I. Paterson, M. E. Tobar, M. Goryachev, J. Bourhill
https://arxiv.org/abs/2506.07320

Topologically Distinct Berry Phases in a Single Triangular Möbius Microwave Resonator
We report the experimental observation of two distinct Berry phases ($+\frac{2π}{3}$ and $-\frac{2π}{3}$) generated on the surface of a Möbius cavity resonator at microwave frequencies supporting the TE$_{1,0,n}$ mode family. This resonator consists of a twisted, mirror-asymmetric prism with a cross-section of the triangular $D_3$ symmetry group, bent around on itself to form a ring. This geometric class supports resonant modes with non-zero electromagnetic helicity (i.e. nonzero $\vec{E}\cd…

My weekend trip to the desert included a stop at the Antelope Valley California Poppy Preserve, where the poppies were finally out, if not in superbloom mode
#naturalist

Zero-Energy RIS-Assisted Communications With Noise Modulation and Interference-Based Energy Harvesting
Ahmad Massud Tota Khel, Aissa Ikhlef, Zhiguo Ding, Hongjian Sun
https://arxiv.org/abs/2506.02625

Zero-Energy RIS-Assisted Communications With Noise Modulation and Interference-Based Energy Harvesting
To advance towards carbon-neutrality and improve the limited {performance} of conventional passive wireless communications, in this paper, we investigate the integration of noise modulation with zero-energy reconfigurable intelligent surfaces (RISs). In particular, the RIS reconfigurable elements (REs) are divided into two groups: one for beamforming the desired signals in reflection mode and another for harvesting energy from interference signals in an absorption mode, providing the power requ…

Impact of the $(\ell=2,m=0)$ spherical harmonic mode with memory on parameter estimation for ground-based detectors
Maria Rossell\'o-Sastre, Sascha Husa, Sayantani Bera, Yumeng Xu
https://arxiv.org/abs/2506.05859

Impact of the $(\ell=2,m=0)$ spherical harmonic mode with memory on parameter estimation for ground-based detectors
We recently presented an efficient and accurate waveform model for the $(2,0)$ spherical harmonic mode including both the displacement memory contribution and the ringdown oscillations for aligned-spin binary black holes in quasi-circular orbits. The model we developed is constructed in time domain and implemented within the computationally efficient IMRPhenomTHM waveform model. In this article, we employ it to perform in-depth parameter estimation studies for future ground-based detectors, spe…

A very simple code to describe emotions or how does this work in real life?!?? ;)
```rust
#[allow(warnings)]
fn main() {
let mut emo: &str;
match 1 1 == 0b10 {
true => emo = "🤓",
_ => emo = "😵‍💫",
};
println!("Perception: {}", emo);
}
```
Play 🦀:

I made this a while ago and wanted to share it with you.
If you have epilepsy, please be careful before visiting because it has lots of rainbow spinning effects. It’s that duck spinning to Geometry Dash Practice Mode, with rainbow-colored text overlaid.
https://midtsveen.codeberg.page/duck.h

In-situ tuning of cavity dissipation and a topological transition in an atom-nanotip-cavity system
Taegyu Ha, Kiyanoush Goudarzi, Dowon Lee, Donggeon Kim, Eunchul Jeong, Uijin Kim, Myunghun Kim, Jinuk Kim, Moonjoo Lee
https://arxiv.org/abs/2506.07800

In-situ tuning of cavity dissipation and a topological transition in an atom-nanotip-cavity system
We theoretically investigate a method for tuning a dissipation rate in an atom-cavity system. By inserting a nanotip into the cavity mode, we estimate that the cavity dissipation rate increases by a factor of approximately 20, due to the scattering loss at the tip. As applications of our in-situ technique, we demonstrate that an exceptional line can be obtained when a single atom or ion is coupled to the resonator. Moreover, the position of an exceptional point is tuned by adjusting the decay r…

This https://arxiv.org/abs/2405.05334 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Multiplicative Dynamic Mode Decomposition
Koopman operators are infinite-dimensional operators that linearize nonlinear dynamical systems, facilitating the study of their spectral properties and enabling the prediction of the time evolution of observable quantities. Recent methods have aimed to approximate Koopman operators while preserving key structures. However, approximating Koopman operators typically requires a dictionary of observables to capture the system's behavior in a finite-dimensional subspace. The selection of these func…

Single-layer Circular SIW Filtenna With Beam Scanning Capability for 5G Millimeter Wave Communication Applications
Jiawang Li
https://arxiv.org/abs/2506.00361

Single-layer Circular SIW Filtenna With Beam Scanning Capability for 5G Millimeter Wave Communication Applications
In this communication, two novel low-cost single-layer filtering antennas (filtennas) are proposed for millimeter wave (mmWave) applications. The proposed filtennas consists of a compact circular substrate integrated waveguide (SIW) cavity, a metal post close to the center of the cavity for power feeding, a metal post in the center for modes controlling, and a slot for radiating power. In the passband, the fundamental TM010 mode and the TM110 mode in the circular SIW cavity are excited by the f…

Fermion parity switches imprinted in the photonic field of cavity embedded Kitaev chains
Victor Fernandez Becerra, Olesia Dmytruk
https://arxiv.org/abs/2506.06237

Fermion parity switches imprinted in the photonic field of cavity embedded Kitaev chains
The entanglement of electronic states with quantum light in cavity embedded systems has opened new avenues to manipulate quantum materials. In this work we investigate the Kitaev chain coupled to a single mode photonic cavity. Using exact diagonalization we calculate the many-body energy spectrum of the electron-photon Hamiltonian in finite-length chains. We find two distinct types of ground states, one with a well defined parity and another with an alternating parity where a doubly degenerate …

This https://arxiv.org/abs/2505.21581 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csRO_…

CogAD: Cognitive-Hierarchy Guided End-to-End Autonomous Driving
While end-to-end autonomous driving has advanced significantly, prevailing methods remain fundamentally misaligned with human cognitive principles in both perception and planning. In this paper, we propose CogAD, a novel end-to-end autonomous driving model that emulates the hierarchical cognition mechanisms of human drivers. CogAD implements dual hierarchical mechanisms: global-to-local context processing for human-like perception and intent-conditioned multi-mode trajectory generation for cogn…

Numerical investigation of stability of low-current needle-to-plane negative corona discharges in air
N. G. C. Ferreira, P. G. C. Almeida, A. Eivazpour Taher, G. V. Naidis, M. S. Benilov
https://arxiv.org/abs/2506.06744

Numerical investigation of stability of low-current needle-to-plane negative corona discharges in air
Negative DC corona discharges are known for their self-pulsing regime: the Trichel pulses. In some works, pulsed regimes, stochastic or periodic, have been observed immediately upon the inception of the discharge, while in other works the discharge was found to be ignited in a stedy-state (pulseless) mode, with the Trichel pulses developing at higher voltages. Recent theoretical and modelling work showed that the stationary negative corona between concentric cylinders in atmospheric-pressure ai…

Figma releases Dev Mode Model Context Protocol server, which provides more context about how AI designs are created in Figma (Jess Weatherbed/The Verge)
https://www.theverge.com/news/679439/figma-dev-mode-mcp-server-beta-release

Figma will let your AI access its design servers
Figma is launching a Dev Mode MCP Server that can help AI models more effectively translate designs into fully coded applications.

Volle Fahrt voraus im Rückwärtsgang!
[Full speed ahead in reverse gear!]
What this TV report opens with seems to be a new motto for the German automotive industry.
https://www.linkedin.com/posts/jaapburger_

MDR SACHSEN-ANHALT HEUTE: Rückwärts-Weltrekord: Die Fahrt ging noch weiter… | Jaap Burger
Volle Fahrt voraus im Rückwärtsgang! [Full speed ahead in reverse gear!] What this TV report opens with seems to be a new motto for the German automotive industry. This week, a German manufacturer set a new world record for reversing in an electric truck. The German automotive industry as a whole is also attempting to reverse in electric mode: it has presented a 10-point plan to postpone, water down, weaken, undermine, regret, delay, reduce, replace, backtrack on and ridicule European CO2 re…

After having operated without a nature permit for years, Amsterdam Schiphol Airport got one from the Minister in 2023. An NGO challenged it and now the court has decided to cancel it: "not carefully prepared and motivated". The airport is in illegal operation mode once more. https://

Rechtbank vernietigt natuurvergunning Schiphol, gevolgen onduidelijk
Volgens de rechtbank heeft Schiphol onvoldoende onderbouwd waarom de vergunning in stand moest blijven.

Stochastic modeling of deterministic laser chaos using generator extended dynamic mode decomposition
Kakutaro Fukushi, Jun Ohkubo
https://arxiv.org/abs/2506.05798

Stochastic modeling of deterministic laser chaos using generator extended dynamic mode decomposition
Recently, chaotic phenomena in laser dynamics have attracted much attention to its applied aspects, and a synchronization phenomenon, leader-laggard relationship, in time-delay coupled lasers has been used in reinforcement learning. In the present paper, we discuss the possibility of capturing the essential stochasticity of the leader-laggard relationship; in nonlinear science, it is known that coarse-graining allows one to derive stochastic models from deterministic systems. We derive stochast…

@… I used Mastodon’s “quiet public” mode! 🙃

Hybrid SLC-MLC RRAM Mixed-Signal Processing-in-Memory Architecture for Transformer Acceleration via Gradient Redistribution
Chang Eun Song, Priyansh Bhatnagar, Zihan Xia, Nam Sung Kim, Tajana Rosing, Mingu Kang
https://arxiv.org/abs/2506.00020

Hybrid SLC-MLC RRAM Mixed-Signal Processing-in-Memory Architecture for Transformer Acceleration via Gradient Redistribution
Transformers, while revolutionary, face challenges due to their demanding computational cost and large data movement. To address this, we propose HyFlexPIM, a novel mixed-signal processing-in-memory (PIM) accelerator for inference that flexibly utilizes both single-level cell (SLC) and multi-level cell (MLC) RRAM technologies to trade-off accuracy and efficiency. HyFlexPIM achieves efficient dual-mode operation by utilizing digital PIM for high-precision and write-intensive operations while ana…

This https://arxiv.org/abs/2409.17464 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_grqc_…

Computation of $\langle Φ^2\rangle$ and quantum fluxes at the polar interior of a spinning black hole
Renormalization of physical quantities for quantum field theories in curved spacetimes can be achieved via the consistent subtraction of counterterms within a regularization scheme such as a point-splitting method. Pragmatic mode-sum regularization (PMR) is a point-splitting method which is particularly suitable for rotating black hole spacetimes. We extend and tailor the t-splitting variant of PMR specifically for the interior of a Kerr black hole on the axis of rotation, focusing on a minimal…

This https://arxiv.org/abs/2406.12481 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_qu…

Curvature effects on stimulated parametric down-conversion process: an analog model
In this paper, we utilize an analog model of the general relativity and investigate the influence of spatial curvature on quantum properties of stimulated parametric down-conversion process. For this purpose, we use two-mode sphere coherent state as the input beams of the aforementioned process. These states are realization of coherent states of two-dimensional harmonic oscillator, which lies on a two-dimension sphere. We calculate the entanglement of output states of stimulated parametric down…

Products of displaced Laguerre-Gaussian beams
G. Mellado-Villase\~nor, B. M. Rodr\'iguez-Lara
https://arxiv.org/abs/2506.05662 https://

Products of displaced Laguerre-Gaussian beams
We present a framework for propagating products of displaced Laguerre-Gaussian beams under the free-space paraxial wave equation. Using an optical analogy to quantum coherent states, we express the product as a linear superposition of Laguerre-Gaussian beams, with complex coefficients that encode displacements and mode overlaps. Our formalism enables direct calculation of the net orbital angular momentum and reduces propagation to tracking the evolution of independent weighted modes. These comp…

netscience: Scientific collaborations in network science (2006)
A coauthorship network among scientists working on network science, from 2006. This network is a one-mode projection from the bipartite graph of authors and their scientific publications.
This network has 1589 nodes and 2742 edges.
Tags: Social, Collaboration, Weighted, Projection

This https://arxiv.org/abs/2504.00466 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hepp…

Multiplicity distribution under the reflective scattering mode
Transition to the reflective scattering mode which has emerged at the highest LHC energy of $\sqrt{s}=13$ TeV results in a relative shrinkage with the energy of the impact parameter region responsible for the inelastic hadron collisions. Respective increasing role of the multiplicity fluctuations of quantum origin is emphasized.

Verification of the Timing System for the X-ray Imaging and Spectroscopy Mission in the GPS Unsynchronized Mode
Megumi Shidatsu, Yukikatsu Terada, Takashi Kominato, So Kato, Ryohei Sato, Minami Sakama, Takumi Shioiri, Yugo Motogami, Yuuki Niida, Chulsoo Kang, Toshihiro Takagi, Taichi Nakamoto, Chikara Natsukari, Makoto S. Tashiro, Kenichi Toda, Hironori Maejima, Shin Watanabe, Ryo Iizuka, Rie Sato, Chris Baluta, Katsuhiro Hayashi, Tessei Yoshida, Shoji Ogawa, Yoshiaki Kanemaru, Kotaro Fukushima, Akio Hoshino, Hiromitsu Takahashi, Masayoshi Nobukawa, Tsunefumi Mizuno, Kazuhiro Nakazawa, Shinichiro Uno, Ken Ebisawa, Satoshi Eguchi, Satoru Katsuda, Aya Kubota, Naomi Ota, Atsushi Tanimoto, Yuichi Terashima, Yohko Tsuboi, Yuusuke Uchida, Hideki Uchiyama, Shigeo Yamauchi, Tomokage Yoneyama, Satoshi Yamada, Nagomi Uchida, Matt Holland, Michael Loewenstein, Tahir Yaqoob, Eric D. Miller, Robert S. Hill, Efrain C. Perez-Solis, Morgan D. Waddy, Mark Mekosh, Joseph B. Fox, Isabella S. Brewer, Emily Aldoretta, Koji Mukai, Kenji Hamaguchi, Francois Mernier, Anna Ogorzalek, Katja Pottschmidt, Mihoko Yukita
#toXiv_bot_toot

This https://arxiv.org/abs/2506.01835 has been replaced.
initial toot: https://mastoxiv.page/@ar…

Discrete vortex-based broadcast mode analysis for modification of dynamic stall
We integrate a discrete vortex method with complex network analysis to strategize dynamic stall mitigation over a pitching airfoil with active flow control. The objective is to inform actuator placement and timing to introduce control inputs during the transient evolution of dynamic stall. To this end, we represent the massively separated flow as a network of discrete vortical elements and quantify the interactions among these vortical nodes by tracking the spread of displacement perturbations …

Multi-mode cooling of a Bose-Einstein condensate with linear quantum feedback
Zain Mehdi, Matthew L. Goh, Matthew J. Blacker, Joseph J. Hope, Stuart S. Szigeti
https://arxiv.org/abs/2506.02377

Multi-mode cooling of a Bose-Einstein condensate with linear quantum feedback
We theoretically investigate measurement-based feedback control over the motional degrees of freedom of an oblate quasi-2D atomic Bose-Einstein condensate (BEC) subject to continuous density monitoring. We develop a linear-quadratic-Gaussian (LQG) model that describes the multi-mode dynamics of the condensate's collective excitations under continuous measurement and control. Crucially, the multi-mode cold-damping feedback control we consider uses a realistic state-estimation scheme that does no…

This https://arxiv.org/abs/2402.13074 has been replaced.
initial toot: https://mastoxiv.page/@a…

AC Josephson Signatures of the Superconducting Higgs/Amplitude Mode
The Higgs mode in superconductors corresponds to oscillations of the amplitude of the order parameter. While its detection typically entails resonant optical excitation, we present a purely transport-based setup wherein it is excited in a voltage biased Josephson junction. Demonstrating the importance of order parameter dynamics, the interplay of Higgs resonance and Josephson physics enhances the second harmonic Josephson current oscillating at twice the usual Josephson frequency in transparent…

The TESS Ten Thousand Catalog: 10,001 uniformly-vetted and -validated Eclipsing Binary Stars detected in Full-Frame Image data by machine learning and analyzed by citizen scientists
Veselin B. Kostov, Brian P. Powell, Aline U. Fornear, Marco Z. Di Fraia, Robert Gagliano, Thomas L. Jacobs, Julien S. de Lambilly, Hugo A. Durantini Luca, Steven R. Majewski, Mark Omohundro, Jerome Orosz, Saul A. Rappaport, Ryan Salik, Donald Short, William Welsh, Svetoslav Alexandrov, Cledison Marcos da Si…

The TESS Ten Thousand Catalog: 10,001 uniformly-vetted and -validated Eclipsing Binary Stars detected in Full-Frame Image data by machine learning and analyzed by citizen scientists
The Transiting Exoplanet Survey Satellite (TESS) has surveyed nearly the entire sky in Full-Frame Image mode with a time resolution of 200 seconds to 30 minutes and a temporal baseline of at least 27 days. In addition to the primary goal of discovering new exoplanets, TESS is exceptionally capable at detecting variable stars, and in particular short-period eclipsing binaries which are relatively common, making up a few percent of all stars, and represent powerful astrophysical laboratories for …

A Constructive Proof of Existence and Mass Gap for Pure SU(3) Yang-Mills in Four-Dimensional Space-Time
D. C. Jacobsen
https://arxiv.org/abs/2506.00284 htt…

A Constructive Proof of Existence and Mass Gap for Pure SU(3) Yang-Mills in Four-Dimensional Space-Time
In this work we present a constructive proof that pure SU(3) Yang-Mills theory on R^4 exists as a nontrivial Wightman quantum field theory and exhibits a strictly positive mass gap. Our approach embeds the four-dimensional gauge theory as the zero-mode sector of a five-dimensional orbifold regulator that preserves gauge invariance and reflection positivity. A convergent joint polymer expansion on the Wilson lattice provides uniform control of the continuum (a->0) and infinite-volume (L->inf) li…

This https://arxiv.org/abs/2410.03612 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

Resurrecting Gravitational Vector Modes and their Magnetogenesis
We revisit the presence of primordial gravitational vector modes (V-modes) and their sourcing of primordial magnetic fields (PMF), i.e. magnetogenesis. As the adiabatic vector mode generically decays with expansion, we consider exotic initial conditions which circumvent this issue and lead to observational imprints. The first initial condition is an isocurvature mode between photons and neutrinos vorticities, and the second one is a non-trivial initial condition on the neutrino octupole. Both t…

High-efficiency compact optical transmitter with a total bit energy of 0.78 pJ/bit including silicon slow-light modulator and open-collector current-mode driver
Keisuke Kawahara, Tai Tsuchizawa, Noritsugu Yamamoto, Yuriko Maegami, Koji Yamada, Shinsuke Hara, Toshihiko Baba
https://arxiv.org/abs/2506.04820

High-efficiency compact optical transmitter with a total bit energy of 0.78 pJ/bit including silicon slow-light modulator and open-collector current-mode driver
Increasing datacenter demands require power-efficient optical interconnects. However, a conventional standard transmitter using a silicon rib-waveguide Mach-Zehnder modulator and voltage-mode driver has low efficiency and consumes watt-class high power and occupies a several-square-millimeter footprint, which limits large-scale integration for parallel transmission. This paper presents a transmitter consisting of a compact photonic crystal waveguide (PCW) modulator and a current-mode open-colle…

Optically accessible high-finesse millimeter-wave resonator for cavity quantum electrodynamics with atom arrays
Tony Zhang, Michelle Wu, Sam R. Cohen, Lin Xin, Debadri Das, Kevin K. S. Multani, Nolan Peard, Anne-Marie Valente-Feliciano, Paul B. Welander, Amir H. Safavi-Naeini, Emilio A. Nanni, Monika Schleier-Smith
https://arxiv…

Optically accessible high-finesse millimeter-wave resonator for cavity quantum electrodynamics with atom arrays
Cavity quantum electrodynamics (QED) is a powerful tool in quantum science, enabling preparation of non-classical states of light and scalable entanglement of many atoms coupled to a single field mode. While the most coherent atom-photon interactions have been achieved using superconducting millimeter-wave cavities coupled to Rydberg atoms, these platforms so far lack the optical access required for trapping and addressing individual atomic qubits. We present a millimeter-wave Fabry-Pérot cavi…

K2 observations of five pulsating subdwarf B stars with white dwarf companions
M. D. Reed, A. S. Baran, J. H. Telting, R. H. Ostensen, C. S. Jeffery, Y. Gaibor
https://arxiv.org/abs/2506.05033

K2 observations of five pulsating subdwarf B stars with white dwarf companions
We report seismic analyses of five pulsating subdwarf B (sdBV) stars observed during Kepler's K2 mission, each with a white dwarf companion. We find three of the five to be g-mode-dominated hybrid pulsators. For the other two, we only detect g modes. We determine rotation periods from frequency multiplets for four stars and each rotates subsynchronously to its binary period, including PG 0101+039 and PG 0902+124 both with binary periods near 0.57 days and spin periods near 9 days. We detect fre…

Information-theoretic machine learning for time-varying mode decomposition of separated airfoil wakes
Kai Fukami, Ryo Araki
https://arxiv.org/abs/2505.24132

Information-theoretic machine learning for time-varying mode decomposition of separated airfoil wakes
We perform an information-theoretic mode decomposition for separated wakes around a wing. The current data-driven approach based on a neural network referred to as deep sigmoidal flow enables the extraction of an informative component from a given flow field snapshot with respect to a target variable at a future time stamp, thereby capturing the causality as a time-varying modal structure. We consider three examples of separated flows around a NACA0012 airfoil, namely, 1. laminar periodic wake …

Highly reliable, ultra-wideband, isolator-free quantum-dot mode-locked frequency combs for optical interconnects beyond 3.2Tb/s
Shujie Pan, Victoria Cao, Yiheng Feng, Dingyi Wu, Jie Yan, Junjie Yang, Chao Zhao, Xi Xiao, Siming Chen
https://arxiv.org/abs/2506.02402

Highly reliable, ultra-wideband, isolator-free quantum-dot mode-locked frequency combs for optical interconnects beyond 3.2Tb/s
Quantum dot mode-locked laser-based optical frequency combs are emerging as a critical solution for achieving low-cost, high-efficiency, and large-capacity optical interconnects. The practical implementation of wavelength division multiplexing interconnects necessitates a temperature-stable OFC source with a minimum 100 GHz channel spacing to enable high-bandwidth modulation while mitigating the complexity of optical filtering and detection. By leveraging the advanced co-doping technique and a …

Rigorous theory of coupled resonators
E. A. Muljarov
https://arxiv.org/abs/2506.04413 https://arxiv.org/pdf/2506.04413

Rigorous theory of coupled resonators
We demonstrate the general failure of the famous concept of tight binding and mode hybridization underlying modern theories of coupled open resonators. In spite of sophisticated examples in the literature, successfully illustrating these theories, the latter fail to describe any planar systems. This includes the simplest possible case of two dielectric slabs placed next to each other or separated by a distance, which is straightforward for verification, due to its analytical solvability. We pre…

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 $0.9$…

OpenAI says it has 3M "paying business users", up from 2M in February; ChatGPT Team users can now use a "record mode" for taking notes during meetings (Hayden Field/The Verge)
https://www.theverge.com/news/679580/chatgpt-google-d…

ChatGPT can now read your Google Drive and Dropbox
ChatGPT now has 3 million “paying business users” and is adding new features like meeting notes.

Axial quasi-normal modes of slowly rotating black holes in dynamical Chern-Simons gravity to second-order in spin and coupling
Tharaka Alapati (IIT Bombay), S. Shankaranarayanan (IIT Bombay)
https://arxiv.org/abs/2506.03600

Axial quasi-normal modes of slowly rotating black holes in dynamical Chern-Simons gravity to second-order in spin and coupling
We compute the quasi-normal mode (QNM) frequencies of slowly rotating black holes in dynamical Chern-Simons (dCS) gravity, including corrections up to second order in the black hole's dimensionless spin parameter ($χ$) and second order in the dCS coupling parameter ($α$). Due to the complexities of constructing a Newman-Penrose tetrad at this order, we employ a metric perturbation approach. We derive a system of coupled ordinary differential equations for the primary axial $l$-mode and the po…

This https://arxiv.org/abs/2405.10886 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_qu…

Three-mode tunable coupler for superconducting two-qubit gates
Building a scalable universal high-performance quantum processor is a formidable challenge. In particular, the problem of realizing fast high-perfomance two-qubit gates of high-fidelity remains needful. Here we propose a building block for a scalable quantum processor consisting of two transmons and a tunable three-mode coupler allowing for a ZZ interaction control. We experimentally demonstrate the native CZ gate with the pulse duration of 60 ns achieving the two-qubit gate fidelity above 98%,…

Ultrahigh-Q Torsional Nanomechanics through Bayesian Optimization
Atkin D. Hyatt, Aman R. Agrawal, Christian M. Pluchar, Charles A. Condos, Dalziel J. Wilson
https://arxiv.org/abs/2506.02325

Ultrahigh-Q Torsional Nanomechanics through Bayesian Optimization
Recently it was discovered that torsion modes of strained nanoribbons exhibit dissipation dilution, giving a route to enhanced torque sensing and quantum optomechanics experiments. As with all strained nanomechanical resonators, an important limitation is bending loss due to mode curvature at the clamps. Here we use Bayesian optimization to design nanoribbons with optimal dissipation dilution of the fundamental torsion mode. Applied to centimeter-scale Si$_3$N$_4$ nanoribbons, we realize $Q$ fa…

This https://arxiv.org/abs/2412.00908 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_qu…

Optomechanical systems with nonlinear interactions: photon blockade, collapse-revival effect and Fano-like resonance
Closed-form expressions for the average amplitude of the optical field in optomechanical systems are obtained, in which, in addition to the linear interaction, quadratic and cubic interactions of the vibrational mode of the mechanical resonator with the mode of the optical resonator are considered. In the framework of the non-secular perturbation theory, using the Bogoliubov averaging method, it is shown that the effects of photon blockade, collapse and revival of optical oscillations in such s…

Experimental Exclusion of Planetary Mass Primordial Black Hole Mergers
William M. Campbell, Leonardo Mariani, Michael E. Tobar, Maxim Goryachev
https://arxiv.org/abs/2506.03609

Experimental Exclusion of Planetary Mass Primordial Black Hole Mergers
The multi-mode acoustic gravitational wave experiment (MAGE) is a high-frequency gravitational wave detection experiment featuring cryogenic quartz bulk acoustic wave resonators operating as sensitive strain antennas in the MHz regime. After 61 days of non-continuous data collection, we present bounds on the observable merger rate density of primordial black hole binary systems of chirp mass $1.2\times10^{-4}M_\odot<\mathcal{M}<1.7\times10^{-9}M_\odot$. The maximum achieved limit on the merger …

Taking advantage of multiple scattering for Optical Reflection Tomography
Thomas Wasik, Victor Barolle, Alexandre Aubry, Josselin Garnier
https://arxiv.org/abs/2506.04232

Taking advantage of multiple scattering for Optical Reflection Tomography
Optical Diffraction Tomography (ODT) is a powerful non-invasive imaging technique widely used in biological and medical applications. While significant progress has been made in transmission configuration, reflection ODT remains challenging due to the ill-posed nature of the inverse problem. We present a novel optimization algorithm for 3D refractive index (RI) reconstruction in reflection-mode microscopy. Our method takes advantage of the multiply-scattered waves that are reflected by uncontro…

Tungsten erosion and scrape-off layer transport modelling in L-mode helium plasma discharges in ASDEX Upgrade
G. Alberti, E. Tonello, C. Tuccari, F. Mombelli, S. Brezinsek, T. Dittmar, A. Hakola, A. Kirschner, K. Krieger, M. Rasinski, J. Romazanov, A. Uccello, A. Widdowson, M. Passoni, the ASDEX Upgrade Team, the EUROfusion Tokamak Exploitation Team
…

Tungsten erosion and scrape-off layer transport modelling in L-mode helium plasma discharges in ASDEX Upgrade
Due to its unavoidable presence in thermonuclear DT plasmas and to its peculiar effects on materials, investigating the role of helium (He) in plasma-wall interaction (PWI) in current tokamaks is fundamental. In this work, PWI in L-mode He plasma discharges in ASDEX Upgrade (AUG) is modelled by exploiting simplified analytical approaches and two state-of-the-art codes. SOLPS-ITER is employed both to provide a suitable background plasma for erosion simulations and to interpret diagnostics measur…

Impact of triangularity on edge transport and divertor detachment: a SOLPS-ITER study of TCV L-mode plasmas
Fabio Mombelli, Andrea Mastrogirolamo, Elena Tonello, Olivier F\'evrier, Garance Durr-Legoupil-Nicoud, Massimo Carpita, Fabio Subba, Matteo Passoni, the TCV team, the EUROfusion Tokamak Exploitation Team
https://arxiv.…

Impact of triangularity on edge transport and divertor detachment: a SOLPS-ITER study of TCV L-mode plasmas
Negative triangularity (NT) magnetic configurations have recently gained attention as a promising route to achieve H-mode-like confinement without edge-localized modes (ELMs) and without a power threshold for access. While both core and edge confinement properties of NT have been extensively documented, consistently lower divertor target cooling and increased difficulty in achieving a detached regime have been observed. This work presents a comparative SOLPS-ITER modeling study of two Ohmic L-m…

Agile laser wavelength tuning using dynamic targeting
Robbe de Mey, Spencer W. Jolly, Alexandre Locquet, Martin Virte
https://arxiv.org/abs/2506.02861 http…

Agile laser wavelength tuning using dynamic targeting
Tunable lasers are essential and versatile tools in photonics, with applications spanning telecommunications, spectroscopy, and sensing. Advancements have aimed to expand tuning ranges, suppress mode hopping, and enable photonic integration. In this work, we explore the adaptation of dynamic targeting, a technique originally developed to stabilize lasers under optical feedback, as a method for achieving agile, fast, and continuous wavelength tuning. By adjusting the feedback rate and phase, we …

Emergence of thermodynamic functioning regimes from finite coupling between a quantum thermal machine and a load
Gauthameshwar S., Noufal Jaseem, Dario Poletti
https://arxiv.org/abs/2506.01852

Emergence of thermodynamic functioning regimes from finite coupling between a quantum thermal machine and a load
Autonomous quantum thermal machines are particularly suited to understand how correlations between thermal baths, a load, and a thermal machine affect the overall thermodynamic functioning of the setup. Here, we show that by tuning the operating temperatures and the magnitude of the coupling between machine and load, the thermal machine can operate in four modes: engine, accelerator, heater, or refrigerator. In particular, we show that as we increase the coupling strength, the engine mode is su…

Quantum Acoustics with Tunable Nonlinearity in the Superstrong Coupling Regime
Marco Scigliuzzo, L\'eo Peyruchat, Riccardo Maria Marabini, Carla Becker, Vincent Jouanny, Per Delsing, Pasquale Scarlino
https://arxiv.org/abs/2505.24865

Quantum Acoustics with Tunable Nonlinearity in the Superstrong Coupling Regime
Precise control of mechanical modes in the quantum regime is a key resource for quantum technologies, offering promising pathways for quantum sensing with macroscopic systems and scalable architectures for quantum simulation. In this work, we realise a multimode mechanical cavity coupled to a superconducting Kerr resonator, which induces nonlinearity in the mechanical modes. The Kerr mode is realised by a flux-tunable SQUID array resonator, while the mechanical modes are implemented by a surfac…

Automated Polarization Basis Adjustment and Security Monitoring in Quantum Communication via Coincidence Entropies
Tom\'a\v{s} Nov\'ak, Carlos Guerra-Y\'anez, Mat\v{e}j Holubi\v{c}ka, Josef Vojt\v{e}ch, Josef Bla\v{z}ej
https://arxiv.org/abs/2505.24071

Automated Polarization Basis Adjustment and Security Monitoring in Quantum Communication via Coincidence Entropies
Polarization-sensitive receivers for single photons are of crucial importance in various applications within the fields of quantum communication and quantum sensing, and are more commonly implemented in free-space optics rather than in optical fibers. This is primarily due to the unpredictable and varying birefringence in single-mode optical fibers. We present a method for birefringence compensation in an all-fiber detection setup that relies solely on coincidence measurements of a polarization…