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Physics

arXiv preprints from January 1, 2026 through September 6, 2026 — 07:28:58 EST

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Posted in cond-mat.soft · 2026-01-21 · Giorgia Palombo, Christine A. Merrick, Jennifer Harnett, Susan Rosser, Davide Michieletto, Yair Augusto Gutierrez Fosado

Designing DNA nanostar hydrogels with programmable degradation and antibody release

DNA nanostar (DNAns) hydrogels are promising materials for \textit{in vivo} applications, including tissue regeneration and drug and antibody delivery. However, a systematic and quantitative understanding of the design principles controlling their degradation is lacking. Here, we investigate hydrogels made of three-armed DNAns with...

💬 0 commentsarXiv:2601.14934v2PDF
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Posted in physics.chem-ph · 2026-01-21 · Mohammed Alaoui Mansouri, Manoj Ghosalya, Aidin Heidari, Yuzhao Wang, Mourad Kharbach, Anne Hietava, Mikko J. Sillanpää, Ilkka Launonen, Timo Fabritius, Marko Huttula, Samuli Urpelainen

Unraveling Surface Chemistry of irreversible reduction of iron oxides through the Time-Resolved APXPS and Chemometrics

This work presents a study on the application of Time-Resolved Ambient Pressure X-ray Photoelectron Spectroscopy (TR-APXPS) in association with chemometric techniques, specifically Principal Component Analysis (PCA) and Multivariate Curve Resolution with Alternating Least Squares (MCR-ALS), to investigate the surface chemistry and...

💬 0 commentsarXiv:2601.17052v1PDF
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Posted in astro-ph.HE · 2026-01-21 · M. Dennefeld, T. Pursimo, C. Carvalho, E. Biancalani, M. A. Diaz Teodori, O. Durfeldt Pedros, M. A. Fetzner Keniger, A. Kasikov, N. Koivisto, J. Martikainen, K. Matilainen, J. Sinkbak Thomsen, J. Terwel, A. Viitanen

AGN in Gaia Alerts: from flares to Changing Look Quasars

The Gaia Alerts system is providing alerts on a variety of objects displaying a significant photometric change detected by the Gaia satellite from one passage to the next one over the same region of the sky. Among the over 22000 alerts published until the end of 2022, around 13 percent concern AGN or quasar candidates. We have...

💬 0 commentsarXiv:2601.14932v1PDF
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Posted in cond-mat.mes-hall · 2026-01-21 · Jing Ding, Hanxiao Xiang, Naitian Liu, Wenqiang Zhou, Xinjie Fang, Zhangyuan Chen, Le Zhang, Kenji Watanabe, Takashi Taniguchi, Shuigang Xu

Spin-orbit-driven quarter semimetals in rhombohedral graphene

Semimetals exhibit intriguing characteristics attributed to the coexistence of both electrons and holes. In rhombohedral multilayer graphene, a strong trigonal warping effect gives rise to a semi-metallic state near the Fermi surface, offering unique opportunities to explore the interplay of semi-metallic properties with strong...

💬 0 commentsarXiv:2601.14930v1PDF
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Posted in astro-ph.HE · 2026-01-21 · Sajad Ahanger, Shah Zahir, Sunder Sahayanathan, Naseer Iqbal, Zahoor Malik, Aaqib Manzoor

Modelling the Time-variable Broadband Emission and Correlation Study of FSRQ S5 1044+71

We present a detailed temporal and spectral analysis of the blazar S5\,1044+71 using multi-wavelength data obtained from the \emph{Fermi}-LAT and Swift-XRT/UVOT telescopes. Applying the Bayesian block algorithm to the 3-day binned $γ$-ray lightcurve, we identify pronounced variability, including four major outbursts marked by...

💬 0 commentsarXiv:2601.14929v1PDF
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Posted in physics.ins-det · 2026-01-21 · Yahya Khwaira, Abdenour Lounis, Maurice Cohen-Solal, Mohsine Menouni, Pierre Barrillon, Denis Fougeron

Ring oscillator performance of the ATLAS inner tracker pixel readout chip

This paper presents experimental and simulation data to characterize the Ring Oscillators (RO) produced in 65-nm CMOS technology for the next promising generation of readout chips for the pixel detector in the Inner Tracker (ITk) at the ATLAS experiment at CERN. To enable a better understanding of the RO block embedded in ITkPixV1.1...

💬 0 commentsarXiv:2601.14924v1PDF
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Posted in nucl-th · 2026-01-21 · Tao-Ran Hu, Feng-Kun Guo

$H$ dibaryon and its cousins from SU(6)-constrained baryon-baryon interaction

We constrain the $S$-wave baryon-baryon interaction using SU(6) symmetry within a nonrelativistic effective field theory. The most general leading-order Lagrangian contains two independent parameters, which we determine using physical $NN$ and lattice QCD $ΩΩ$ scattering lengths. This framework allows for parameter-free predictions in...

💬 0 commentsarXiv:2601.14922v1PDF
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Posted in quant-ph · 2026-01-21 · Hoshitaro Ohnishi, Hideo Mukai

USDs: A universal stabilizer decoder framework using symmetry

Quantum error correction is indispensable to achieving reliable quantum computation. When quantum information is encoded redundantly, a larger Hilbert space is constructed using multiple physical qubits, and the computation is performed within a designated subspace. When applying deep learning to the decoding of quantum...

💬 0 commentsarXiv:2601.15361v2PDF
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Posted in cond-mat.mes-hall · 2026-01-21 · Souvik Roy, Ranjini Bhattacharya

Energy-Selective Complete Spin Polarization in an Extended Su-Schrieffer-Heeger Ferromagnetic Chain

We study spin-dependent transport in an extended Su-Schrieffer-Heeger chain with cosine modulated nearest- and next-nearest-neighbor hopping using the nonequilibrium Green's function formalism. Suitable tuning of the hopping parameters yields a complete separation of spin channels and perfect spin polarization over broad energy...

💬 0 commentsarXiv:2601.14919v1PDF
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Posted in astro-ph.HE · 2026-01-21 · Kai Hendriks, Lorenz Zwick, Pankaj Saini, János Takátsy, Johan Samsing

Towards gravitational wave parameter inference for binaries with an eccentric companion

We introduce a complete model for dephasing due to line-of-sight acceleration (LOSA) in gravitational wave (GW) signals from stellar-mass binary black holes (BBHs) in three-body systems. Our prescription provides curvature- and projection-dependent phase features that are not recovered by local-expansion-based treatments. We perform...

💬 0 commentsarXiv:2601.14918v1PDF
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Posted in hep-ph · 2026-01-21 · Xiao-En Huang, Shan Cheng, De-Liang Yao

Semileptonic decays $D_{(s)} \to η^{(\prime)} \ell^+ ν_\ell$ from QCD Light-Cone Sum Rules

In light of recent precision measurements from BESIII, we reanalyze the $D, D_s \to η^{(\prime)}$ transition form factors using QCD light-cone sum rules, incorporating high-twist contributions and well-established next-to-leading-order QCD corrections. Our analysis confirms the chiral enhancement effect arising from twist-3 light-cone...

💬 0 commentsarXiv:2601.14915v1PDF
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Posted in astro-ph.GA · 2026-01-21 · Nijin J. Thykkathu, Matt J. Jarvis, Imogen H. Whittam, C. L. Hale, A. M. Matthews, I. Heywood, Eliab Malefahlo, R. G. Varadaraj, N. Stylianou, Chris Pearson, Nick Seymour, Mattia Vaccari

MIGHTEE: The evolving radio luminosity functions of star-forming galaxies to $z\sim 4.5$ and the cosmic history of star formation

A key question in extragalactic astronomy is how the star-formation rate density (SFRD) evolves over cosmic time. A powerful way of addressing this question is using radio-continuum observations, where the radio waves are unaffected by dust and are able to reach sufficient resolution to resolve individual galaxies. We present an...

💬 0 commentsarXiv:2601.14913v1PDF
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Posted in astro-ph.GA · 2026-01-21 · Virginia Lenk, Alvaro Labiano, Chiara Circosta, Almudena Alonso-Herrero, Dominika Wylezalek

The eJWST active galactic nucleus observation catalogue

Context. The European Archive of the James Webb Space Telescope (eJWST) provides access to all data collected by the James Webb Space Telescope (JWST). JWST's capabilities span from studying early universe galaxy formation to probing exoplanet atmospheres. Specifically, for Active Galactic Nuclei (AGN), JWST offers unparalleled...

💬 0 commentsarXiv:2601.14905v1PDF
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Posted in cond-mat.supr-con · 2026-01-21 · Huanhuan Shi, Qili Li, Antoine M. T. Baron, Marie-Aude Méasson, Sangjun Kang, Dirk Fuchs, Fabian Henssler, Alexander Haas, Paolo Battistoni, Nour Maraytta, Michael Merz, Amir-Abbas Haghighirad, Wulf Wulfhekel, Christian Kübel, Matthieu Le Tacon

Enhanced Charge-Density-Wave Order and Suppressed Superconductivity in Intercalated Bulk $\mathrm{Nb}{\mathrm{Se}}_{2}$

The electronic ground states of transition-metal dichalcogenides are strongly shaped by reduced dimensionality, yet the properties of atomically thin layers remain difficult to probe due to their small size and environmental sensitivity. Here we demonstrate that controlled electrochemical intercalation of organic cations provides a...

💬 0 commentsarXiv:2601.14902v1PDF
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Posted in nucl-ex · 2026-01-21 · ALICE Collaboration

Space-time evolution of particle emission in p$-$Pb collisions at $\mathbf{\sqrt{s_{\rm NN}}=~5.02}$ TeV with 3D kaon femtoscopy

The measurement of three-dimensional femtoscopic correlations between identical charged kaons (K$^\pm$K$^\pm$) produced in p$-$Pb collisions at center-of-mass energy per nucleon pair $\sqrt{s{_{\rm NN}}} = 5.02$ TeV with ALICE at the LHC is presented for the first time. This measurement, supplementary to those in pp and Pb$-$Pb...

💬 0 commentsarXiv:2601.15081v1PDF
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Posted in cond-mat.quant-gas · 2026-01-21 · Ka Kit Kelvin Ho, Vladislav Yu. Shishkov, Mohammad Amini, Leonie Teresa Wrathall, Evgeny Mamonov, Darius Urbonas, Ioannis Georgakilas, Tobias Herkenrath, Michael Forster, Ullrich Scherf, Tapio Niemi, Päivi Törmä, Anton V. Zasedatelev

Stimulated cooling in non-equilibrium Bose-Einstein condensate

We report on the experimental observation of stimulated cooling in the non-equilibrium Bose-Einstein condensate (BEC) of weakly interacting exciton-polaritons from approximately room temperature down to 20K. By resolving the condensate in energy-momentum space and performing interferometric measurements, we distinguish the condensate...

💬 0 commentsarXiv:2601.15080v1PDF
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Posted in cond-mat.mtrl-sci · 2026-01-21 · Zirui He, Shang-Peng Gao, Meng Chen

Exceptionally high carrier mobility in hexagonal diamond

Hexagonal diamond (h-diamond), or Lonsdaleite, is a promising wide-bandgap semiconductor known for its high thermal conductivity and hardness. Based on \textit{ab initio} calculations, we demonstrate its exceptionally high carrier mobilities. At room temperature, the hole mobilities along the $\perp c$ and $\parallel c$ directions are...

💬 0 commentsarXiv:2601.15076v3PDF
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Posted in physics.med-ph · 2026-01-21 · Giulio Bordieri, Marco Battestini, Gianluca Lattanzi, Francesco Romano, Emanuele Scifoni, Marta Missiaggia, Francesco Giuseppe Cordoni

A combined dose and microdosimetric modeling framework incorporating volume effects correlates with tissue sparing in proton minibeam radiotherapy

Proton minibeam (pMB) radiotherapy, delivers highly heterogeneous dose distributions alternating high-dose peaks and low-dose valleys. This aims to widen the therapeutic window by improving normal tissue sparing while maintaining the same or even better tumour control. The performance of pMB strongly depends on the collimator design...

💬 0 commentsarXiv:2601.15073v1PDF
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Posted in physics.chem-ph · 2026-01-21 · James P. Darby, Joe D. Morrow, Albert P. Bartók, Volker L. Deringer, Gábor Csányi, Christoph Ortner

Regularity Priors for the Linear Atomic Cluster Expansion

Machine-learned interatomic potentials enable large systems to be simulated for long time scales at near ab-initio accuracy. This accuracy is achieved by fitting extremely flexible model architectures to high quality reference data. In practice, this flexibility can cause unwanted behavior such as jagged predicted potential energy...

💬 0 commentsarXiv:2601.15072v2PDF
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Posted in hep-ph · 2026-01-21 · A. W. Romero Jorge, L. Sagunski, Guan-Wen Yuan, T. Song, E. Bratkovskaya

Combined constraints on dark photons from high-energy collisions, cosmology, and astrophysics

We investigate a dark sector coupled to the Standard Model (SM) through a kinetically mixed dark photon $U$ associated with a new $U(1)'$ gauge symmetry. Kinetic mixing $\varepsilon$ induces an effective coupling to the electromagnetic current, while $U$ interacts with stable dark matter (DM) $χ$ via a dark gauge coupling $g_χ$. Our...

💬 0 commentsarXiv:2601.15066v2PDF
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Posted in cond-mat.mes-hall · 2026-01-21 · Vipul Upadhyay, Amikam Levy

Weak Electron-Phonon Coupling Is Insufficient to Generate Significant CISS in Two-Terminal Transport

A central open question in chiral-induced spin selectivity (CISS) is whether weak electron-phonon coupling in a helical molecular junction can generate a sizable spin polarization in two-terminal transport without invoking additional strong symmetry-breaking ingredients. We address this question by implementing a self-consistent...

💬 0 commentsarXiv:2601.15063v3PDF
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Posted in astro-ph.GA · 2026-01-21 · Francesco Benedetti, Mauro Satta, Tommaso Grassi, Stefan Vogt-Geisse, Stefano Bovino

CO Diffusion on Interstellar Amorphous Solid Water: A Computational Study

Surface chemistry on interstellar dust grains is recognized as a central component in astrochemical models, representing a plausible formation route for many of the observed complex molecular species. However, key parameters governing interstellar surface chemistry, such as diffusion energy barriers, remain poorly constrained. In...

💬 0 commentsarXiv:2601.15057v1PDF
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Posted in nucl-ex · 2026-01-21 · ALICE Collaboration

One- and three-dimensional identical charged-kaon femtoscopic correlations in Pb--Pb collisions at $\mathbf{ \sqrt{s_\mathrm{NN}}=5.02}$ TeV

The identical charged-kaon correlations induced by quantum-statistics effects and final-state interactions are measured in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV. The results of one- (1D) and three-dimensional (3D) analyses show that the obtained system-size parameters (radii) are smaller for more peripheral collisions...

💬 0 commentsarXiv:2601.15054v1PDF
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Posted in cond-mat.mtrl-sci · 2026-01-21 · Michał Rygała, Julian Zanon, Andreas Bader, Tristan Smołka, Fabian Hartmann, Sven Höfling, Michael Flatté, Marcin Motyka

Resolving the band alignment of InAs/InAsSb mid-wave-infrared type-II superlattices

In this work, three InAs/InAs$_{0.65}$Sb$_{0.35}$ superlattices with different periods were investigated using photoluminescence and photoreflectance measurements and their band structure was simulated using a 14 bulk-band kp model. The structures were studied by analyzing the evolution of the spectral features in temperature and...

💬 0 commentsarXiv:2601.15053v3PDF
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Posted in physics.gen-ph · 2026-01-21 · Szymon Łukaszyk

On the quantum separability of qubit registers

We show that the bipartite separability of a pure qubit state hinges critically on the combinatorial structure of its computational-basis support. Using Boolean cube geometry, we introduce a taxonomy that distinguishes support-guaranteed separability from cases in which entanglement depends on probability amplitudes. We provide...

💬 0 commentsarXiv:2601.15364v1PDF