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Physics

arXiv preprints from January 1, 2026 through July 20, 2026 — 04:33:09 EST

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Posted in hep-ph · 2026-01-08 · Dharitree Bezboruah, Abinash Medhi, Moon Moon Devi

Dark NSI & neutrino oscillations : probing via $δ_{CP}$ measurements at DUNE and T2HK

We investigate the possibility of neutrinos interacting with a scalar dark matter field and the resulting implications for neutrino oscillations in the long-baseline sector. As our Universe is predominantly composed of dark matter, neutrinos propagating over astrophysical and terrestrial baselines inevitably traverse a dark matter...

💬 0 commentsarXiv:2601.04802v1PDF
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Posted in astro-ph.EP · 2026-01-08 · Josef Durech, Petr Pravec, Masatoshi Hirabayashi, Derek C. Richardson, Harrison Agrusa, Ryota Nakano

A change of the rotation period of asteroid (65803) Didymos caused by the DART impact

On 26 September 2022, the NASA Double Asteroid Redirection Test (DART) spacecraft impacted Dimorphos, the secondary component of the binary asteroid (65803)~Didymos. This experiment tested the Kinetic Impactor technology for diverting dangerous asteroids. Due to the impact, the binary system's angular momentum has changed, resulting...

💬 0 commentsarXiv:2601.04793v1PDF
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Posted in physics.flu-dyn · 2026-01-08 · Flavio Tuteri, Sergio Chibbaro, Alexandros Alexakis

Ensemble of Fixed Points in Multi-branch Shell Models of Turbulent Cascades

Stationary solutions of a shell model of turbulence defined on a dyadic tree topology are studied. Each node's amplitude is expressed as the product of amplitude multipliers associated with its ancestors, providing a recursive representation of the cascade process. A geometrical rule governs the tree growth, and we prove the existence...

💬 0 commentsarXiv:2601.04788v1PDF
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Posted in cond-mat.mes-hall · 2026-01-08 · Koushik Ghorai, Sankar Sarkar, Amit Agarwal

Intrinsic Gyrotropic Magnetic Current of Orbital Origin

In gyrotropic crystals, an oscillating magnetic field induces a charge response known as the gyrotropic magnetic current. While its conventional origin is attributed to magnetic field modified band energy and shift in the Fermi-surface, a recent study identified an additional spin-driven magnetic displacement contribution. Here, we...

💬 0 commentsarXiv:2601.04787v1PDF
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Posted in hep-lat · 2026-01-08 · D. A. Clarke, H. -T. Ding, J. -B. Gu, S. -T. Li, Swagato Mukherjee, P. Petreczky, C. Schmidt, H. -T. Shu, K. -F. Ye

QCD Crossover at Low Temperatures from Lee-Yang Edge Singularity

We provide the first lattice-QCD estimate of the crossover line down to $T\simeq108$~MeV. We introduce a new method that combines the Lee-Yang edge in the complex plane of baryon chemical potential $μ_B$ with universal chiral scaling to determine the $μ_B$ dependence of the QCD chiral critical and pseudo-critical temperatures. By...

💬 0 commentsarXiv:2601.04782v3PDF
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Posted in astro-ph.CO · 2026-01-08 · Euclid Collaboration, M. Kärcher, M. -A. Breton, S. de la Torre, A. Veropalumbo, A. Eggemeier, M. Crocce, E. Sefusatti, E. Sarpa, R. E. Angulo, B. Camacho Quevedo, L. Castiblanco, E. Castorina, A. Chudaykin, V. Desjacques, A. Farina, G. Gambardella, M. Guidi, D. Linde, F. Marulli, A. Moradinezhad Dizgah, M. Moresco, C. Moretti, K. Pardede, A. Pezzotta, M. Pellejero Ibañez, C. Porciani, A. Pugno, M. Zennaro, N. Aghanim, B. Altieri, L. Amendola, S. Andreon, N. Auricchio, C. Baccigalupi, M. Baldi, S. Bardelli, A. Biviano, E. Branchini, M. Brescia, S. Camera, G. Cañas-Herrera, V. Capobianco, C. Carbone, V. F. Cardone, J. Carretero, M. Castellano, G. Castignani, S. Cavuoti, K. C. Chambers, A. Cimatti, C. Colodro-Conde, G. Congedo, L. Conversi, Y. Copin, F. Courbin, H. M. Courtois, H. Degaudenzi, G. De Lucia, H. Dole, F. Dubath, X. Dupac, S. Dusini, A. Ealet, S. Escoffier, M. Farina, R. Farinelli, F. Faustini, S. Ferriol, F. Finelli, P. Fosalba, N. Fourmanoit, M. Frailis, E. Franceschi, M. Fumana, S. Galeotta, K. George, W. Gillard, B. Gillis, C. Giocoli, J. Gracia-Carpio, A. Grazian, F. Grupp, L. Guzzo, S. V. H. Haugan, W. Holmes, F. Hormuth, A. Hornstrup, K. Jahnke, M. Jhabvala, B. Joachimi, E. Keihänen, S. Kermiche, A. Kiessling, B. Kubik, M. Kümmel, M. Kunz, H. Kurki-Suonio, A. M. C. Le Brun, S. Ligori, P. B. Lilje, V. Lindholm, I. Lloro, G. Mainetti, D. Maino, E. Maiorano, O. Mansutti, S. Marcin, O. Marggraf, M. Martinelli, N. Martinet, R. J. Massey, E. Medinaceli, S. Mei, M. Melchior, Y. Mellier, M. Meneghetti, E. Merlin, G. Meylan, A. Mora, L. Moscardini, C. Neissner, S. -M. Niemi, C. Padilla, F. Pasian, J. A. Peacock, K. Pedersen, W. J. Percival, V. Pettorino, S. Pires, G. Polenta, M. Poncet, L. A. Popa, F. Raison, G. Riccio, E. Romelli, M. Roncarelli, C. Rosset, R. Saglia, Z. Sakr, A. G. Sánchez, D. Sapone, B. Sartoris, P. Schneider, T. Schrabback, A. Secroun, G. Seidel, S. Serrano, P. Simon, C. Sirignano, G. Sirri, L. Stanco, J. Steinwagner, P. Tallada-Crespí, A. N. Taylor, I. Tereno, N. Tessore, S. Toft, R. Toledo-Moreo, F. Torradeflot, I. Tutusaus, J. Valiviita, T. Vassallo, Y. Wang, J. Weller, G. Zamorani, F. M. Zerbi, E. Zucca, V. Allevato, M. Ballardini, M. Bolzonella, A. Boucaud, E. Bozzo, C. Burigana, R. Cabanac, M. Calabrese, A. Cappi, T. Castro, J. A. Escartin Vigo, L. Gabarra, J. García-Bellido, V. Gautard, J. Macias-Perez, R. Maoli, J. Martín-Fleitas, M. Maturi, N. Mauri, R. B. Metcalf, P. Monaco, M. Pöntinen, I. Risso, V. Scottez, M. Sereno, M. Tenti, M. Tucci, M. Viel, M. Wiesmann, Y. Akrami, I. T. Andika, G. Angora, M. Archidiacono, F. Atrio-Barandela, E. Aubourg, L. Bazzanini, J. Bel, D. Bertacca, M. Bethermin, F. Beutler, L. Blot, M. Bonici, S. Borgani, M. L. Brown, S. Bruton, A. Calabro, F. Caro, C. S. Carvalho, F. Cogato, S. Conseil, A. R. Cooray, S. Davini, G. Desprez, A. Díaz-Sánchez, S. Di Domizio, J. M. Diego, V. Duret, M. Y. Elkhashab, A. Enia, Y. Fang, A. G. Ferrari, P. G. Ferreira, A. Finoguenov, A. Fontana, F. Fontanot, A. Franco, K. Ganga, T. Gasparetto, E. Gaztanaga, F. Giacomini, F. Gianotti, G. Gozaliasl, A. Gruppuso, C. M. Gutierrez, A. Hall, H. Hildebrandt, J. Hjorth, S. Joudaki, J. J. E. Kajava, Y. Kang, V. Kansal, D. Karagiannis, K. Kiiveri, J. Kim, C. C. Kirkpatrick, S. Kruk, M. Lattanzi, J. Le Graet, L. Legrand, M. Lembo, F. Lepori, G. Leroy, G. F. Lesci, J. Lesgourgues, T. I. Liaudat, M. Magliocchetti, A. Manjón-García, F. Mannucci, C. J. A. P. Martins, L. Maurin, M. Migliaccio, M. Miluzio, A. Montoro, G. Morgante, S. Nadathur, K. Naidoo, P. Natoli, A. Navarro-Alsina, S. Nesseris, L. Pagano, D. Paoletti, F. Passalacqua, K. Paterson, L. Patrizii, R. Paviot, A. Pisani, D. Potter, G. W. Pratt, S. Quai, M. Radovich, K. Rojas, W. Roster, S. Sacquegna, M. Sahlén, D. B. Sanders, A. Schneider, D. Sciotti, E. Sellentin, L. C. Smith, J. G. Sorce, K. Tanidis, C. Tao, F. Tarsitano, G. Testera, R. Teyssier, S. Tosi, A. Troja, A. Venhola, D. Vergani, F. Vernizzi, G. Verza, S. Vinciguerra, N. A. Walton, A. H. Wright

Euclid preparation. Galaxy 2-point correlation function modelling in redshift space

The Euclid satellite will measure spectroscopic redshifts for tens of millions of emission-line galaxies. In the context of Stage-IV surveys, the 3-dimensional clustering of galaxies plays a key role in providing cosmological constraints. In this paper, we conduct a model comparison for the multipole moments of the galaxy 2-point...

💬 0 commentsarXiv:2601.04780v1PDF
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Posted in astro-ph.CO · 2026-01-08 · Felipe Andrade-Oliveira, David Sanchez-Cid, Danny Laghi, Marcelle Soares-Santos

First measurement of the Hubble constant from a combined weak lensing and gravitational-wave standard siren analysis

We present a new measurement of the Hubble constant ($H_0$) resulting from the first joint analysis of standard sirens with weak gravitational lensing and galaxy clustering observables comprising three two-point correlation functions (3$\times$2pt). For the 3$\times$2pt component of the analysis, we use data from the Dark Energy...

💬 0 commentsarXiv:2601.04774v1PDF
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Posted in astro-ph.GA · 2026-01-08 · Philipp Denzel, Manuel Weiss, Elena Gavagnin, Frank-Peter Schilling

Optimization of Deep Learning Models for Radio Galaxy Classification

Modern radio telescope surveys, capable of detecting billions of galaxies in wide-field surveys, have made manual morphological classification impracticable. This applies in particular when the Square Kilometre Array Observatory (SKAO) becomes operable in 2027, which is expected to close an important gap in our understanding of the...

💬 0 commentsarXiv:2601.04773v1PDF
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Posted in cond-mat.mes-hall · 2026-01-08 · Lorenz Meyer, Nicolas Néel, Jörg Kröger

Single-enantiomer spin polarisers in superconducting junctions

Chiral matter acting as a spin-selective device in biased electron transport is attracting attention for the quantum-technological design of miniaturized electronics. To date, however, experimental reports on spin selectivity are not conclusive. The magnetoresistance in electron transport measurements observed for chiral materials on...

💬 0 commentsarXiv:2601.04772v1PDF
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Posted in cond-mat.mtrl-sci · 2026-01-08 · He Zhao, Eline M. Hutter

Tuning Excitonic Properties and Charge Carrier Dynamics by Halide Alloying in Cs3Bi2(Br1-xIx)9 semiconductors

The perovskite-inspired bismuth halide semiconductor Cs3Bi2Br9 is widely investigated as photoactive material for light-conversion applications. However, charge generation and separation are inherently limited by its modest sunlight absorption and strong exciton binding energy, respectively. Here, we demonstrate that both the light...

💬 0 commentsarXiv:2601.04771v1PDF
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Posted in astro-ph.SR · 2026-01-08 · Gautam Bhuyan, Shashi Kanbur, Sukanta Deb, Louise Breuval, Anupam Bhardwaj, Mami Deka, Earl P. Bellinger, Kerdaris Kurbah

The effect of metallicity on the Leavitt Law using phase-dependent properties of classical Cepheids

The absolute calibration of period-luminosity (PL) relations of Cepheids in the Milky Way (MW) and its nearby galaxies has been a cornerstone in determining extragalactic distances and the current local expansion rate of the Universe. However, the universality of PL relations is still debated; particularly, the metallicity effect on...

💬 0 commentsarXiv:2601.04769v1PDF
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Posted in hep-ex · 2026-01-08 · Louise Beriet, Matteo Defranchis, Birgit Stapf, Michele Selvaggi

Differential measurements of $\bar{t}tZ$ and $\bar{t}t\bar{t}t$ at large $Q^2$ at FCC-hh

This contribution presents studies of differential top-quark measurements at the Future Circular Collider in its proton-proton stage (FCC-hh). The analyses target the leptonic final states of the $\bar{t}tZ$ and $\bar{t}t\bar{t}t$ production processes. Particular focus is given to the high-$Q^2$ regime, where sensitivity to new...

💬 0 commentsarXiv:2601.04763v2PDF
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Posted in cond-mat.mtrl-sci · 2026-01-08 · Emanuele Maggio

Berry Phase of Bloch States through Modular Symmetries

The theoretical identification of crystalline topological materials has enjoyed sustained success in simplified materials models, often by singling out discrete symmetry operations protecting the topological phase. When band structure calculations of realistic materials are considered, complications often arise owing to the...

💬 0 commentsarXiv:2601.04762v2PDF
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Posted in astro-ph.CO · 2026-01-08 · Mahdieh Eskandari Merajin

Probing Trans-Planckian Signatures in the Early Universe: A Bayesian Analysis of the Generalized Sasaki-Mukhanov Equation

We present a rigorous and comprehensive investigation of a generalized inflationary perturbation theory designed to address persistent large-scale anomalies in the Cosmic Microwave Background (CMB). Motivated by the Trans-Planckian problem and potential non-canonical dynamics in the early Universe, we introduce a generalized...

💬 0 commentsarXiv:2601.04760v1PDF
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Posted in cond-mat.soft · 2026-01-08 · Magali Le Goff, Laureano Ortellado, Jiting Tian, Mehdi Bouzid, Jean-Louis Barrat, Kirsten Martens

Mechanisms of Spatiotemporal Damage Evolution in Double Polymer Networks

Double polymer networks exhibit a striking enhancement of toughness compared to single networks, yet the microscopic mechanisms governing stress redistribution, damage evolution, and fracture remain incompletely understood. Using large-scale coarse-grained molecular dynamics simulations under uniaxial deformation, we resolve bond...

💬 0 commentsarXiv:2601.04759v1PDF
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Posted in cond-mat.mtrl-sci · 2026-01-08 · Haowei Hua, Chen Liang, Ding Pan, Irwin King, Shengchao Liu, Koji Tsuda, Wanyu Lin

Scalable Dielectric Tensor Predictions for Inorganic Materials using Equivariant Graph Neural Networks

Accurate prediction of dielectric tensors is essential for accelerating the discovery of next-generation inorganic dielectric materials. Existing machine learning approaches, such as equivariant graph neural networks, typically rely on specially-designed network architectures to enforce O(3) equivariance. However, to preserve...

💬 0 commentsarXiv:2601.04755v2PDF
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Posted in cond-mat.quant-gas · 2026-01-08 · Aritra Ghosh, Nilamoni Daloi, M. Bhattacharya

Topological sensing of superfluid rotation using non-Hermitian optical dimers

We theoretically investigate a non-Hermitian optical dimer whose parameters are renormalized by dispersive and dissipative backaction from the coupling of the passive cavity with a ring-trapped Bose-Einstein condensate. The passive cavity is driven by a two-tone control laser, where each tone is in a coherent superposition of...

💬 0 commentsarXiv:2601.04749v2PDF
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Posted in cond-mat.soft · 2026-01-08 · M. Milani, E. Cavalletti, V. Ruzzi, A. Martinelli, P. Dieudonne-George, C. Ligoure, T. Phou, L. Cipelletti, L. Ramos

Decoupling Structure and Elasticity in Colloidal Gels Under Isotropic Compression

We exploit the controlled drying of millimeter-sized gel beads to investigate isotropic compression of colloidal fractal gels. Using a custom dynamic light scattering setup, we demonstrate that stresses imposed by drying on the bead surface propagate homogeneously throughout the gel volume, inducing plastic rearrangements. We find...

💬 0 commentsarXiv:2601.04737v1PDF
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Posted in astro-ph.IM · 2026-01-08 · Nalin Dhiman

sidmkit: A Reproducible Toolkit for SIDM Phenomenology and Galaxy Rotation-Curve Modeling

Self-interacting dark matter (SIDM) is a well-motivated extension of cold dark matter that can modify halo structure on galactic and group scales while remaining consistent with large-scale structure. However, practical SIDM work often requires bridging several layers, including microphysical scattering models, velocity-dependent...

💬 0 commentsarXiv:2601.04735v1PDF
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Posted in quant-ph · 2026-01-08 · Nicholas S. Yama, Chun-Chi Wu, Fariba Hatami, Kai-Mei C. Fu

A scalable gallium-phosphide-on-diamond spin-photon interface

The efficient interfacing of quantum emitters and photons is fundamental to quantum networking. Quantum defects embedded in integrated nanophotonic circuits are promising for such applications due to the deterministic light-matter interactions of high-cooperativity ($C>1$) cavity quantum electrodynamics and potential for scalable...

💬 0 commentsarXiv:2601.04733v1PDF
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Posted in quant-ph · 2026-01-08 · Dominik Freinberger, Philipp Moser

The Role of Quantum in Hybrid Quantum-Classical Neural Networks: A Realistic Assessment

Quantum machine learning has emerged as a promising application domain for near-term quantum hardware, particularly through hybrid quantum-classical models that leverage both classical and quantum processing. Although numerous hybrid architectures have been proposed and demonstrated successfully on benchmark tasks, a significant open...

💬 0 commentsarXiv:2601.04732v1PDF
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Posted in hep-th · 2026-01-08 · Eric A. Bergshoeff, Patrick Concha, Octavio Fierro, Evelyn Rodríguez, Jan Rosseel

Applied foliated conformal Carroll symmetries

We apply the conformal compensating technique for constructing matter couplings to conformal scalars on a $D$-dimensional foliated conformal Carroll manifold dividing the tangent space into $(p+1)$-dimensional longitudinal and $(D-p-1)$-dimensional transversal directions corresponding to $p$-branes. We show that the conformal Carroll...

💬 0 commentsarXiv:2601.04910v1PDF
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Posted in cond-mat.str-el · 2026-01-08 · Vincent C. Morano, Zeno Maesen, Stanislav Nikitin, Jonathan S. White, Takashi Honda, Tsuyoshi Kimura, Michel Kenzelmann, Daniel Pajerowski, Oksana Zaharko

Coupled sawtooth chain exchange network in olivine Mn$_2$GeO$_4$

Sawtooth chain magnets have been a subject of historical interest in the field of frustrated magnetism, with classical olivine family $M_2TX_4$, ($M$ - 3d, $T$ - 4p, $X$ - chalcogen elements) typically realizing simple $\mathbf{k} = (000)$ states. The magnetism of the Mn$_2$GeO$_4$ olivine is surprisingly complex, proceeding from...

💬 0 commentsarXiv:2601.04908v1PDF
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Posted in quant-ph · 2026-01-08 · Sachin Sonkar, Ramandeep S. Johal

Virtual temperatures as a key quantifier for passive states in quantum thermodynamic processes

We analyze the role of virtual temperatures for passive quantum states through the lens of majorization theory. A mean temperature over the virtual temperatures of adjacent energy levels is defined to compare the passive states of the system resulting from isoenergetic and isoentropic transformations. The role of the minimum and the...

💬 0 commentsarXiv:2601.04905v1PDF