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Physics

arXiv preprints from January 1, 2026 through July 28, 2026 — 04:27:09 EST

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Posted in physics.app-ph · 2026-01-03 · Hyun Woo Sung, Soojung Claire Hur

Integrated vortex-assisted electroporation platform with enhanced throughput for genetic delivery to primary cells

Primary human cells offer the most faithful representation of native human physiology, yet their practical utility is constrained by the difficulty of introducing exogenous genetic material. Electroporation provides a promising non-viral gene delivery approach; however, conventional bulk systems lack the uniformity and integration...

💬 0 commentsarXiv:2601.01267v1PDF
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Posted in quant-ph · 2026-01-03 · Airat Kiiamov, Dmitrii Tayurskii

Simulating Wigner Localisation with the IBM Heron 2 Quantum Processor: A Proof-of-Principle Benchmarking Study

We report on a high-fidelity digital quantum simulation of Wigner localisation in a quasi-one-dimensional (quasi-1D) electron system using a 6-qubit segment of the state-of-the-art \textbf{IBM\,Heron\,2} quantum processor. By mapping the Coulomb interaction Hamiltonian onto a 6-qubit ring lattice, we reconstruct the ground-state...

💬 0 commentsarXiv:2601.01263v1PDF
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Posted in physics.comp-ph · 2026-01-03 · Aman Razdan, Aditya Shankar Mazumdar, Amit Tanwar, Pragati Ashdhir

From Fermat's Principle to Physics-Informed Neural Networks: A Unified Computational Approach to Variational Physics

Variational principles are a unifying mathematical framework across many areas of physics, yet their instruction at the undergraduate level remains primarily analytical. This work presents a pedagogically oriented and computationally enhanced approach to variational modeling that integrates contemporary tools including gradient...

💬 0 commentsarXiv:2601.01262v1PDF
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Posted in cond-mat.mtrl-sci · 2026-01-03 · P. L. Rodríguez-Kessler

Structural, Bonding, and Optical Properties of B$_{18}$Ca$_2$ Clusters: Double-Ring Forms

The structural and electronic properties of the doubly calcium-doped boron cluster B$_{18}$Ca$_2$ have been systematically investigated using density functional theory calculations. Basin-hopping searches reveal that B$_{18}$Ca$_2$ adopts a double-ring geometry as its global minimum, consisting of two fused B$_9$ rings symmetrically...

💬 0 commentsarXiv:2601.01261v1PDF
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Posted in physics.flu-dyn · 2026-01-03 · Ghassan Antar, Jamal El Kuweiss, Kai Schneider, Charbel Habchi, Sadruddin Benkadda

On the local anisotropy of quasi-two-dimensional forced shallow flow: An experimental study

We experimentally investigate quasi-two-dimensional (Q2D) forced shallow flows in the presence of solid boundaries and analyze the deviation from the Kolmogorov-Kraichnan (KK) theory. Complex motion is generated using a thin electrolyte subject to electromagnetic forces, and we employ particle tracking velocimetry to resolve the flow...

💬 0 commentsarXiv:2601.01258v1PDF
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Posted in cond-mat.stat-mech · 2026-01-03 · Spencer Rooke, Dmitry Krotov, Vijay Balasubramanian, David Wolpert

Stochastic Thermodynamics of Associative Memory

Dense Associative Memory networks (DenseAMs) unify several popular paradigms in Artificial Intelligence (AI), such as Hopfield Networks, transformers, and diffusion models, while casting their computational properties into the language of dynamical systems and energy landscapes. This formulation provides a natural setting for studying...

💬 0 commentsarXiv:2601.01253v2PDF
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Posted in quant-ph · 2026-01-03 · Safae Gaidi, Abdallah Slaoui, Mohammed EL Falaki, Amine Jaouadi

Harnessing Environmental Memory with Reinforcement Learning in Open Quantum Systems

Non-Markovian memory effects in open quantum systems provide valuable resources for preserving coherence and enhancing controllability. However, exploiting them requires strategies adapted to history-dependent dynamics. We introduce a reinforcement-learning framework that autonomously learns to amplify information backflow in a driven...

💬 0 commentsarXiv:2601.01252v2PDF
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Posted in physics.plasm-ph · 2026-01-03 · Punit Kumar, Abhishek Kumar Singh, Priti Saxena

Synergistic Bioactivity of Neem and Tulsi Infusions Treated with Plasma-Activated Water

The integration of plasma activated water (PAW) with herbal infusions offers a sustainable approach to enhancing the functional bioactivity of plant derived compounds. In this study, neem (Azadirachta indica) and tulsi (Ocimum sanctum) infusions were treated with PAW generated using an atmospheric pressure gliding arc discharge...

💬 0 commentsarXiv:2601.07843v1PDF
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Posted in cond-mat.dis-nn · 2026-01-03 · Alejandro Toral-Lopez, Damiano Marian, Gianluca Fiori

Hopping transport regimes and dimensionality transition: a unified Monte Carlo Random Resistor Network approach

Hopping transport, characterized by carrier tunneling between localized states, is a key mechanism in disordered materials such as organic semiconductors, perovskites, nitride alloys, and 2D material-based inks. Two main regimes are typically observed: Variable Range Hopping and Nearest Neighbor Hopping, with a transition between them...

💬 0 commentsarXiv:2601.01243v1PDF
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Posted in physics.pop-ph · 2026-01-03 · Ludovico Musenich, Flavia Libonati

Architected Structural Material Design Inspired by Diatoms: Merging Nature's Beauty With Engineering Through Biomimetics

Imagine a world where beauty and technology move in perfect harmony, revealing tiny masterpieces hidden in the water. This world is Nature, and diatoms are the stars. Masters of assembling complex hierarchical glass structures, these microscopic algae are true technological gems, and their potential is boundless when it comes to...

💬 0 commentsarXiv:2601.08761v1PDF
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Posted in astro-ph.CO · 2026-01-03 · O. A. Burkhonov, V. N. Shalyapin, A. V. Sergeyev, Sh. E. Nurmamatov, Sh. A. Ehgamberdiev, T. A. Akhunov, F. Dux, F. Courbin, M. M. Muminov

Time-delay and lens galaxy redshift in the doubly imaged quasar PS J2305+3714

We present results from a seven-season (2018-2024) monitoring campaign of the gravitationally lensed quasar system PS J2305+3714 using the 1.5-m Maidanak Telescope in the optical R-band. From these data, the amplitude of possible microlensing variability does not exceed 10 mmag on a 7-yr timescale. Additionally, we measure a time...

💬 0 commentsarXiv:2601.01230v1PDF
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Posted in astro-ph.IM · 2026-01-03 · Zane Mebruer, Wan Shou

Exploring Metal Additive Manufacturing in Martian Atmospheric Environments

In-space manufacturing is essential for achieving long-term planetary colonization, particularly on Mars, where material transport from Earth is both costly and logistically restrictive. Traditional subtractive manufacturing methods are highly equipment-, energy-, and material-intensive, making additive manufacturing (AM) a more...

💬 0 commentsarXiv:2601.04232v1PDF
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Posted in physics.optics · 2026-01-03 · Jingzhu Shao, Ping Tang, Borui Xu, Xiangyu Zhao, Yudong Tian, Yuqing Liu, Chongzhao Wu

Metasurface-based Terahertz Three-dimensional Holography Enabled by Physics-Informed Neural Network

Artificial intelligence has revolutionized optical device design, overcoming the efficiency bottlenecks of traditional methods. For holographic metasurfaces, conventional iterative algorithms suffer from time-consuming iterations and convergence stagnation, especially as the complexity of 3D target fields increases. While recent...

💬 0 commentsarXiv:2601.01221v4PDF
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Posted in hep-ph · 2026-01-03 · Gopal Garg, J Krishnamoorthi, Anil Kumar, Sanjib Kumar Agarwalla

First Constraints on Long-Range Neutrino Interactions using IceCube DeepCore

We present the first search for new flavor-dependent long-range interactions (LRI) of neutrinos using publicly available 8 years of high-purity $ν_μ$ CC data from IceCube DeepCore. These interactions are mediated by ultra-light gauge bosons with masses below $10^{-10}$ eV, which can arise due to a new lepton-number gauge symmetry,...

💬 0 commentsarXiv:2601.01220v1PDF
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Posted in hep-ph · 2026-01-03 · Jesse Liu

Quantum Chromodynamics at the Large Hadron Collider

Open questions on the fundamental nature of the strong force endure and the Large Hadron Collider (LHC) is a once-in-a-generation laboratory elucidating its quantum origins. This document summarizes the plenary overview talk titled "QCD Studies at the LHC" presented at the Lepton Photon Symposium 2025. Selected results highlight...

💬 0 commentsarXiv:2601.01217v1PDF
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Posted in physics.chem-ph · 2026-01-02 · Stephen E. Farr, Stefan Doerr, Antonio Mirarchi, Francesc Sabanes Zariquiey, Gianni De Fabritiis

AceFF: A State-of-the-Art Machine Learning Potential for Small Molecules

We introduce AceFF, a pre-trained machine learning interatomic potential (MLIP) optimized for small molecule drug discovery. While MLIPs have emerged as efficient alternatives to Density Functional Theory (DFT), generalizability across diverse chemical spaces remains difficult. AceFF addresses this via a refined TensorNet2...

💬 0 commentsarXiv:2601.00581v2PDF
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Posted in physics.bio-ph · 2026-01-02 · Daniel Montemayor, Eva Rivera, Seogjoo J. Jang

Computational Modeling of Exciton-bath Hamiltonians for LH2 and LH3 Complexes of Purple Photosynthetic Bacteria at Room Temperature

Light harvesting 2 (LH2) complex is a primary component of the photosynthetic unit of purple bacteria that is responsible for harvesting and relaying excitons. The electronic absorption line shape of LH2 contains two major bands at 800 nm and 850 nm wavelength regions. Under low light condition, some species of purple bacteria replace...

💬 0 commentsarXiv:2601.00576v1PDF
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Posted in cond-mat.mtrl-sci · 2026-01-02 · Junlan Shi, Li Chen, Jiani Zhang, Botao Fu

Doping induced itinerant ferromagnetism and enhanced ferroelectricity in BL-InSe

The microscopic coexistence of ferroelectricity and ferromagnetism in solids remains a fundamental challenge in condensed matter physics, with far-reaching implications for multifunctional materials and next-generation electronic devices. Using first-principles calculations, we predict emergent sliding ferroelectricity and...

💬 0 commentsarXiv:2601.00574v1PDF
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Posted in gr-qc · 2026-01-02 · Marek Rogatko

Uniqueness of electric-magnetic spacetimes with massive particle

Uniqueness of the four-dimensional static, asymptotically flat, Einstein-Maxwell spacetime with both electric and magnetic charges, containing non-extremal massive particle sphere, being an inner boundary in it, has been proved. It is isometric to Reissner-Nordström spacetime with electric/magnetic charges. In contrast to the previous...

💬 0 commentsarXiv:2601.00565v1PDF
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Posted in astro-ph.IM · 2026-01-02 · Siqi Wang, Qi Fan, Wenbo Gu, Haozhi Wang, AYZADA Jumahali, Lixian Shen, Daiping Zhang, Liyong Liu, Ali Esamdin

ASCNet: Research on all-sky camera images classification at the Muztagh-ata site

Cloud coverage is one of the crucial elements of site testing in astronomy. All-sky camera (ASC) images are beneficial for our research on cloud coverage. In this paper, we propose ASCNet, an innovative model specifically designed for classifying nighttime ASC images collected at the Muztagh-ata site from 2022 March to 2024 June....

💬 0 commentsarXiv:2601.00563v1PDF
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Posted in physics.soc-ph · 2026-01-02 · Mina S. Khalaf

Physics-Based Decline Curve Analysis and Machine Learning for Temperature Forecasting in Enhanced Geothermal Systems: Utah FORGE

Reliable temperature forecasting in Enhanced Geothermal Systems (EGS) is essential, yet petroleum-based decline curves and many machine-learning surrogates do not enforce geothermal heat transfer, while thermo-hydro-mechanical (THM) simulation remains computationally expensive. This study proposes a physics-consistent framework that...

💬 0 commentsarXiv:2601.03283v1PDF
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Posted in physics.optics · 2026-01-02 · Hongyan Mei, Jin-Woo Cho, Jae-Seon Yu, Huandong Chen, Shantanu Singh, Boyang Zhao, Jayakanth Ravichandran, Sun-Kyung Kim, Mikhail A. Kats

Anti-reflection coatings for highly anisotropic materials in the mid infrared

We develop and optimize thin anti-reflection coatings (ARCs) for highly anisotropic materials in the mid infrared. Unlike conventional ARCs that assume nearly isotropic refractive indices, this work fully integrates the anisotropic nature of materials into the design process. We describe two designs of thin ARCs for highly anisotropic...

💬 0 commentsarXiv:2601.00558v1PDF
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Posted in physics.optics · 2026-01-02 · Hui Zeng, Ming-Fei Li, Zhi-Yue Yu, Bing-Zhan Shi, Xiao-Jing Wu, Jie Feng, Jin-Guang Wang, Yi-Fei Li, Ling-An Wu, Jian-Hong Shi, Li-Ming Chen

Tabletop X-ray ghost video of moving objects

X-ray imaging is widely employed in clinical medicine, industrial inspection, and various scientific research fields. Unfortunately, most currently used X-ray two-dimensional (2D) detectors suffer from a fundamental trade-off between the number of pixels and readout time, making them unsuitable for fast moving objects imaging, as well...

💬 0 commentsarXiv:2601.00552v1PDF
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Posted in gr-qc · 2026-01-02 · Zhutong Hua, Zhen-Tao He, Jiageng Jiao, Jing-Qi Lai, Yu Tian

Taxonomy of periodic orbits and gravitational waves in a non-rotating Destounis-Suvorov-Kokkotas black hole spacetime

In this paper, we investigate periodic orbits of test particles around a non-rotating Destounis-Suvorov-Kokkotas black hole and the resulting gravitational waves. Firstly, we examine the properties of circular orbits and find that circular orbits could disappear when the deformation is large enough. Then, using an orbital taxonomy, we...

💬 0 commentsarXiv:2601.00550v6PDF
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Posted in physics.gen-ph · 2026-01-02 · Sebastián Alí Sacasa-Céspedes

On Geometric Evolution and Microlocal Regularity of the Navier-Stokes Equations

We propose a microlocal-Riemannian framework for the three-dimensional incompressible Navier-Stokes equations on a smooth oriented Riemannian manifold (M,g). The dynamics is lifted to the unit cosphere bundle S*M via a normal-coordinate microlocal transform whose construction is justified by the positive homogeneity of the principal...

💬 0 commentsarXiv:2601.08854v4PDF