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Physics

arXiv preprints from January 1, 2026 through July 20, 2026 — 21:39:08 EST

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Posted in astro-ph.GA · 2026-01-16 · Leonardo Clarke, Natalie Lam, Alice E. Shapley, Michael W. Topping, Gabriel B. Brammer, Ryan L. Sanders, Naveen A. Reddy, Shreya Karthikeyan

Emission-line Diagnostics at $z\gtrsim 2$: A Probe of the Ionizing Spectrum and $α$ Enhancement Beyond Cosmic Noon

We analyze several key rest-optical emission-line ratios in a sample of 828 galaxies as well as composite spectra from JADES DR3 in the range $1.4 < z < 7$. These emission-line ratios include: [O III]$\lambda5008$/H$β$, [N II]$λ6585$/H$α$, [S II]$λλ6718,6733$/H$α$, [O I]$λ6302$/H$α$, O32, R23, Ne3O2, and RO2Ne3. We find evidence for a...

💬 0 commentsarXiv:2601.11092v2PDF
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Posted in cond-mat.soft · 2026-01-16 · Ayrton Draux, Marco Rizzo, Dominic Vella, Vincent Démery, Fabian Brau, Pascal Damman

Universal wrinkling dynamics of a sheet on viscous liquid

We investigate the wrinkling dynamics of a thin elastic sheet that is indented or compressed while floating on a viscous liquid. We show that the deformation speed controls the dynamics, leading to a wrinkle wavelength significantly smaller than that selected under quasistatic compression. Once active compression ceases, the wrinkles...

💬 0 commentsarXiv:2601.11682v1PDF
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Posted in cond-mat.str-el · 2026-01-16 · Yuki Arai, Junichi Hayashi, Keiki Takeda, Hideki Tou, Eiichi Matsuoka, Hitoshi Sugawara, Hisashi Kotegawa

Spontaneous Anomalous Hall Effect at Room Temperature in Antiferromagnetic Material NbMnAs

Recent studies have shown that certain antiferromagnetic (AFM) materials with the same symmetry breaking as ferromagnets can generate sufficiently large ferromagnetic (FM) responses. Here, we report that the new AFM material NbMnAs exhibits a large anomalous Hall effect (AHE) at zero field and at room temperature, despite having only...

💬 0 commentsarXiv:2601.11088v1PDF
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Posted in quant-ph · 2026-01-16 · Chenlu Liu, Yulong Li, Jiahui Wang, Quan Guan, Lijing Jin, Lu Ma, Ruizi Hu, Tenghui Wang, Xing Zhu, Hai-Feng Yu, Chunqing Deng, Xizheng Ma

Converting qubit relaxation into erasures with a single fluxonium

Qubits that experience predominantly erasure errors offer distinct advantages for fault-tolerant operation. Indeed, dual-rail encoded erasure qubits in superconducting cavities and transmons have demonstrated high-fidelity operations by converting physical-qubit relaxation into logical-qubit erasures, but this comes at the cost of...

💬 0 commentsarXiv:2601.11086v1PDF
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Posted in hep-ph · 2026-01-16 · Anshu Gautam, Tanisha, Satyajit Puhan, Arvind Kumar, Harleen Dahiya

Spectroscopy of $ρ$-meson in symmetric nuclear medium

In this work, we investigate the behavior of the light vector \(ρ\) meson in the presence of a symmetric nuclear medium at zero temperature. We calculate the mass and decay constant of the $ρ$-meson as well as the leading twist distribution amplitudes (DAs) in the light-front quark model in vacuum, which are further investigated at...

💬 0 commentsarXiv:2601.11082v1PDF
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Posted in math-ph · 2026-01-16 · Shuangshuang Duan, Chunlei He, Shoujun Huang, Dexing Kong

Hyperbolic mean curvature flow computed by physics-informed neural networks

In this paper, we explore the evolution of plane curves and surfaces governed by the hyperbolic mean curvature flow. We propose a mesh-free approach based on the physics-informed neural networks (PINNs), which eliminates the need for discretization and meshing of computational domains, and is efficient in solving partial differential...

💬 0 commentsarXiv:2601.11081v1PDF
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Posted in astro-ph.SR · 2026-01-16 · Stephan G. Heinemann, Jens Pomoell, Manuela Temmer

Magnetic Topology and Loop Statistics in Observed Coronal Holes Using Potential Field Modeling

Potential Field Source Surface (PFSS) models are widely used to study the solar corona and form the basis for solar wind forecasting, yet often fail to reproduce observed properties of coronal holes. We analyze 702 observed coronal holes between 2010 and 2019 and compute corresponding PFSS magnetic field extrapolations to examine...

💬 0 commentsarXiv:2601.11080v1PDF
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Posted in astro-ph.HE · 2026-01-16 · The LHAASO Collaboration

Investigating Pulsar Wind Nebula DA 495: Insights from LHAASO and Multi-Wavelength Observations

Pulsar wind nebula DA~495 (G65.7+1.2) has been extensively observed from radio to TeV $γ$-ray bands. We present LHAASO observations of DA~495, revealing an energy-dependent morphology, where an extended source with $r_{39}=0.19^{\circ}\pm0.02^{\circ}$ is detected by WCDA (0.4-15~TeV), and a point-like source with a 95\% upper limit of...

💬 0 commentsarXiv:2601.11071v1PDF
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Posted in astro-ph.HE · 2026-01-16 · Tridib Roy, Mayuresh Surnis, Mageshwaran Tamilan, Monalisa Halder, Siddhartha Biswas

Multifrequency evolution of the Integrated pulse profile of radio pulsars by implementing the inverse Compton mechanism

The Main Aim of this paper is to explain the emergence of new components of pulsars at higher radio bands by implementing the Inverse Compton Scattering Mechanism. From pulsar radio observation, it is seen that a couple of pulsars reveal new emission components at higher radio frequencies, although they show single-component emission...

💬 0 commentsarXiv:2601.11070v1PDF
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Posted in physics.bio-ph · 2026-01-16 · Han Zhou, Tao Zhou, Shiwei Yan

Unraveling the Allosteric Mechanism and Mechanical Stability of Partial and Complete Loss-of-Function Mutations in p53 DNA-Binding Domain

TP53 is the most frequently mutated tumor suppressor gene in human cancers, with mutations primarily in its DNA-binding domain (p53-DBD). Mutations in p53-DBD are categorized into hotspot mutations (resulting in complete loss-of-function) and non-hotspot mutations (inducing partial loss-of-function). However, the allosteric mechanisms...

💬 0 commentsarXiv:2601.11069v1PDF
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Posted in astro-ph.CO · 2026-01-16 · Weiyang Liu, Xin Wang, Hu Zhan, Karl Glazebrook, Mengtao Tang, Michele Trenti

A Portrait of the Cosmic Reionisation History in the Context of the Early Dark Energy Model

Recent JWST observations of Lyman-$α$ emission at $z \sim 11-6$ indicate a rapid reionization of the intergalactic medium within the first $\sim700$ Myr. The required Lyman continuum (LyC) photon budget may naturally arise from the unexpectedly high galaxy number densities revealed by JWST, reducing the need for scenarios invoking...

💬 0 commentsarXiv:2601.11068v1PDF
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Posted in hep-ph · 2026-01-16 · Xiang-Wei Shi, Sheng-Qin Feng

Spectral Signatures of Heavy Quarkonia in a Rotating and Anisotropic Quark-Gluon Plasma: A Holographic Study

We investigate the in-medium spectral functions and effective masses of heavy quarkonia charmonium ($J/Ψ$) and bottomonium ($Υ(1S)$) in a quark-gluon plasma (QGP) possessing both global rotation and spatial anisotropy. Using a gauge/gravity holographic model incorporating finite temperature, chemical potential, and warp factor, we...

💬 0 commentsarXiv:2601.11064v1PDF
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Posted in cond-mat.quant-gas · 2026-01-16 · Chao Zhang

Mobile impurity coupled to correlated lattice bosons

We investigate how the coherence and spatial dressing of a single impurity evolve in the two-dimensional Bose-Hubbard model when the impurity couples attractively to the bath. Using large-scale, sign-problem-free worm-algorithm quantum Monte Carlo, we measure the impurity winding, bath superfluid response and compressibility, and...

💬 0 commentsarXiv:2601.11062v2PDF
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Posted in physics.soc-ph · 2026-01-16 · Sean Elliott, Sohini Roy

Critical Transit Infrastructure in Smart Cities and Urban Air Quality: A Multi-City Seasonal Comparison of Ridership and PM2.5

Public transit is a critical component of urban mobility and equity, yet mobility and air-quality linkages are rarely operationalized in reproducible smart-city analytics workflows. This study develops a transparent, multi-source monitoring dataset that integrates agency-reported transit ridership with ambient fine particulate matter...

💬 0 commentsarXiv:2601.19937v2PDF
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Posted in cond-mat.quant-gas · 2026-01-16 · Chao Zhang

Impurity Self-Trapping in Lattice Bose systems

We map out the global phase diagram of a single mobile impurity in the two-dimensional Bose-Hubbard model, spanning the bath evolution from a compressible superfluid (SF) to an incompressible Mott insulator (MI) and the full range of impurity-bath coupling. Using sign-problem-free worm-algorithm quantum Monte Carlo, we identify two...

💬 0 commentsarXiv:2601.11058v3PDF
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Posted in cond-mat.str-el · 2026-01-16 · Lennart Klebl, Dante M. Kennes

Surface Functional Renormalization Group for Layered Quantum Materials

We present an extension to the two-dimensional functional renormalization group to efficiently treat interactions on the surface or at interfaces of three-dimensional systems. As an application, we consider a semi-infinite stack of two-dimensional square lattices, including a Hubbard interaction on the surface layer and an alternating...

💬 0 commentsarXiv:2601.11055v2PDF
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Posted in astro-ph.GA · 2026-01-16 · Zhejian Zhang, Nan Li, Shude Mao, Hu Zou, Zizhao He, Mingxiang Fu, Shenzhe Cui

Searching for Galaxy Cluster-Scale Strong lenses from the DESI Legacy Imaging Surveys

Galaxy cluster-scale strong gravitational lensing systems are rare yet valuable tools for investigating the properties of dark matter and dark energy, as well as providing the opportunity to study the distant universe at flux levels and spatial resolutions that would otherwise be unavailable. Large-scale imaging surveys present...

💬 0 commentsarXiv:2601.11054v1PDF
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Posted in physics.app-ph · 2026-01-16 · Qipan Wang, Tianxiang Zhu, Yibo Lin, Runsheng Wang, Ru Huang

ATSim3.5D: A Multiscale Thermal Simulator for 3.5D-IC Systems based on Nonlinear Multigrid Method

To resolve the rising temperatures in 3.5D-ICs, a thermal-aware design flow becomes increasingly crucial, necessitating an accurate and efficient thermal simulation tool. However, previous tools struggle to handle the unique heterogeneous multiscale structures in 3.5D-ICs and the nonlinear thermal effects caused by high temperatures....

💬 0 commentsarXiv:2601.11053v1PDF
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Posted in physics.app-ph · 2026-01-16 · Qipan Wang, Tianxiang Zhu, Yibo Lin, Runsheng Wang, Ru Huang

ATSim3D: Towards Accurate Thermal Simulator for Heterogeneous 3D-IC Systems Considering Nonlinear Leakage and Conductivity

Thermal simulation plays a fundamental role in the thermal design of integrated circuits, especially 3D ICs. Current simulators require significant runtime for high-resolution simulation, and dismiss the complex nonlinear thermal effects, such as nonlinear thermal conductivity and leakage power. To address these issues, we propose...

💬 0 commentsarXiv:2601.11050v1PDF
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Posted in quant-ph · 2026-01-16 · Changhao Yi

Certifying entanglement dimensionality by random Pauli sampling

We introduce a Pauli-measurement-based algorithm to certify the Schmidt number of $n$-qubit pure states. Our protocol achieves an average-case sample complexity of $\caO(\mathrm{poly}(n)χ^2)$, a substantial improvement over the $\caO(2^n χ)$ worst-case bound. By utilizing local pseudorandom unitaries, we ensure the worst case can be...

💬 0 commentsarXiv:2601.11040v1PDF
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Posted in cond-mat.soft · 2026-01-16 · Nima Shakourifar, Nana Ofori-Opoku, Benzhong Zhao

Implicit Nucleation and Competitive Dynamics of Electrogenerated Hydrogen Nanobubbles

Electrogenerated gas nanobubbles strongly influence the performance of electrochemical energy-conversion systems, yet their nucleation and early evolution remain poorly understood due to limitations of existing experimental and computational approaches. Operando imaging lacks the temporal resolution required to capture nucleation...

💬 0 commentsarXiv:2601.11034v1PDF
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Posted in astro-ph.HE · 2026-01-16 · Yuki Kaneko, Ozge Keskin, Can Gungor, Ersin Gogus, Mete Uzuner, Aslihan M. Unsal

An 11-Year Catalog of Gamma-Ray Transients: A Comprehensive Search with Fermi Gamma-ray Burst Monitor Data

The Gamma-ray Burst Monitor (GBM) on board Fermi Gamma-ray Space Telescope has produced the largest database of all-sky observations in gamma rays with its continuous data with high time and energy resolutions. These data contain a wealth of unidentified transient events that did not trigger the detectors for various reasons. We...

💬 0 commentsarXiv:2601.11032v1PDF
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Posted in cond-mat.soft · 2026-01-16 · Nasir Amiri, Jonathan P. Singer, Xin Yong

Self-Assembly of Crowded Semiflexible Polymers under Dynamic and Deformable Confinement

Semiflexible polymers are ubiquitous in natural and artificial systems, where their intermediate rigidity gives rise to rich structural and dynamical behavior. Confinement plays a central role in these behaviors, as spatial restrictions can promote chain alignment, induce structural rearrangements, and enable complex self-assembly....

💬 0 commentsarXiv:2601.11031v2PDF
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Posted in astro-ph.IM · 2026-01-16 · Rossella Caruso

The test and calibration system for the Elementary Cells of the Cherenkov Camera in the PBR Mission

The development of detectors using Silicon Photo-Multipliers for acquisition of fast light signals coming from Cherenkov and fluorescence emissions started by particle showers in the terrestrial atmosphere is the main goal of the Italian ASI/INFN Agreement n.2021-8-HH.2-2022, named "ASI/INFN_EUSO-SPB2", in view of the next generation...

💬 0 commentsarXiv:2601.11197v1PDF
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Posted in cond-mat.soft · 2026-01-16 · Atmika Bhardwaj, Huzaifa Shabbir, Jens-Uwe Sommer, Marco Werner

The Influence of Crosslinking and Deformation on Polymer Crystallization and Melting: A Molecular Dynamics Study

We investigate the crystallization of crosslinked and entangled polymers under external deformation using a coarse-grained poly(vinyl alcohol) (CG-PVA) model and molecular dynamics simulations. Following uniaxial deformation, the systems are cooled at a constant rate to form semi-crystalline states and subsequently heated at a...

💬 0 commentsarXiv:2601.11192v1PDF