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๐Ÿ” computer simulation ๐Ÿ“‚ Physics
Showing 220429 results for "computer simulation" in Physics
Physics Preprint PDF DOI

Improved Electrochemical Performance and Diffusion kinetics by Boron-doping in Na$_{0.66}$Mn$_{0.8}$Fe$_{0.2}$O$_{2}$ Layered Cathodes for Sodium-Ion Batteries

Jayashree Pati, P. Senthilkumar, Deepak Seth, Riya Gulati, Manish Kr. Singh, Madhav Sharma, Anita Dhaka, M. Ali Haider, Rajendra S. Dhaka ยท 2026

We report the electrochemical investigation and study the diffusion kinetics of boron doped Na$_{0.66}$Mn$_{0.8}$Fe$_{0.2}$O$_{2}$ (B-NMFO) cathode materials for sodium-ion batteries. Notably, the B-Nโ€ฆ

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Microstructure engineering of Ti-6Al-4V in laser powder bed fusion via 1D thermal modeling and supporting experiments

Carina van der Linde, Iason Sideris, Lea Deillon, Mohamadreza Afrasiabi, Markus Bambach ยท 2026

The microstructure of Ti-6Al-4V has a decisive impact on its mechanical performance; however, controlling phase composition during Laser Powder Bed Fusion (LPBF) remains difficult because of the inherโ€ฆ

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DiffQEC: A versatile diffusion model for quantum error correction

Tianyi Xu, Qinglong Liu, Maolin Wang, Fei Zhang, Zhe Zhao, Yang Wang, Ye Wei ยท 2026

Quantum computers could solve problems beyond the reach of classical devices, but this potential depends on quantum error correction (QEC) to protect fragile quantum states from noise. A central challโ€ฆ

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An axion framework for Particle-in-Cell codes with Monte-Carlo sampling: emission, absorption, and detailed balance in plasmas

Miles Radford, Ahmed Alsulami, Bertrand Martinez, Pablo Bilbao, Thomas Grismayer, Luis O. Silva, Robert Bingham, Gianluca Gregori ยท 2026

We present an extension of the OSIRIS particle-in-cell (PIC) code that introduces an axion macroparticle species and three axion-production channels commonly used in thermal-plasma axion phenomenologyโ€ฆ

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Quantum vs. Classical Spin: A Comparative Study of Dipolar Spin Dynamics and the Onset of Chaos

Victor Henner, Alexander Nepomnyashchy, Tatyana Belozerova ยท 2026

We investigate the spin dynamics of a dipole-coupled system by comparing a direct solution of the Schrodinger equation for quantum spins with simulations of classical spins. Although classical spins hโ€ฆ

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Quantum Kernel Advantage over Classical Collapse in Medical Foundation Model Embeddings

Sebastian Cajas Ordonez, Felipe Ocampo Osorio, Dax Enshan Koh, Rafi Al Attrach, Aldo Marzullo, Ariel Guerra-Adames, J. Alejandro Andrade, Siong Thye Goh, Chi-Yu Chen, Rahul Gorijavolu, Xue Yang, Noah Dane Hebdon, Leo Anthony Celi ยท 2026

We provide evidence of quantum kernel advantage under noiseless simulation in binary insurance classification on MIMIC-CXR chest radiographs using quantum support vector machines (QSVM) with frozen emโ€ฆ

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A Theoretical Study of the Structure and Elemental Abundances of HD 20794

Mrinmay Medhi, Mami Deka, Krishna Saha, Vivek Baruah Thapa, Upakul Mahanta ยท 2026

HD~20794 is a nearby, bright, metal-poor G-type dwarf hosting a compact planetary system, including a super-Earth near the habitable zone. Its low stellar activity and the availability of precise radiโ€ฆ

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Generalized flux-weighted boundary walls in kinetic models

Luca Barbieri, Pierfrancesco Di Cintio ยท 2026

We present a technique to investigate the stationary states of a system of a collisionless system confined by an external potential and coupled to boundary reservoirs through prescribed reinjection ruโ€ฆ

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Efficient terahertz optical filtering with large-area all-metal and polymer-metal woven wire meshes

Simon Rossel, Wentao Zhang, Hassan A. Hafez, Savio Fabretti, Dmitry Turchinovich ยท 2026

Many components for terahertz (THz) optical filtering are mechanically fragile and are hard to produce with large aperture, making them unsuitable for applications where larger THz beam diameter is reโ€ฆ

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Gauge-covariant projected entangled paired states for interacting systems in a magnetic field

Wei Tang, Gunnar Moller, Frank Verstraete, Laurens Vanderstraeten ยท 2026

The Hamiltonian for a system of itinerant particles on a two-dimensional lattice in a uniform magnetic field reduces the translational symmetry to a magnetic translation group, because of the need to โ€ฆ

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Non-perturbative heavy quark diffusion coefficients in arbitrarily magnetized quark-gluon plasma

Debarshi Dey, Aritra Bandyopadhyay, Yifeng Sun, Santosh K. Das ยท 2026

Heavy quark (HQ) momentum ($\kappa$) and spatial diffusion ($D_s$) coefficients are computed in a non-perturbative thermal QCD medium in the presence of a background magnetic field of arbitrary strengโ€ฆ

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Probing the Hot Gaseous Halos of Milky Way-like Galaxies in the TNG50 simulation

Zhijie Zhang, Xiaoxia Zhang, Taotao Fang, Hui Li, Greg L. Bryan, Federico Marinacci, Paul Torrey, Mark Vogelsberger, Junfeng Wang, Haiguang Xu, Qingzheng Yu, Feng Yuan ยท 2026

The origin and structure of the hot ($T\gtrsim10^6$ K) gaseous halo around Milky Way (MW)-mass galaxies provide a critical test for galaxy formation models. We perform a comprehensive comparison for aโ€ฆ

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Torus one-point functions in critical loop models

Paul Roux, Sylvain Ribault, Jesper Lykke Jacobsen ยท 2026

We show that in critical loop models, torus 1-point functions can be expressed in terms of sphere 4-point functions at a different central charge. Unlike in the Moore--Seiberg formalism, crossing symmโ€ฆ

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Improving Zero-Noise Extrapolation via Physically Bounded Models

Andriy Miranskyy, Adam Sorrenti, Jasmine Thind, Claude Gravel ยท 2026

Zero-noise extrapolation (ZNE) mitigates errors in near-term quantum devices by extrapolating measurements obtained at amplified noise levels to estimate noise-free expectation values. In practice, coโ€ฆ

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Field-theoretical description of the deuteron breakup in the clothed particle representation

O. Shebeko, A. Arslanaliev, Y. Kostylenko, V. Chahar, J. Golak, H. Kamada, W. N. Polyzou, D. Ramirez, R. Skibinski, K. Topolnicki, H. Wita{l}a ยท 2026

We present a field-theoretical description of the deuteron electrodisintegration reaction d(e,e'p)n induced by unpolarized and polarized electrons. The approach combines the Lehmann-Symanzik-Zimmermanโ€ฆ

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Robust Angles-Only Initial Relative Orbit Determination Using Polynomial Optimization

Xingyu Zhou, Malcolm Macdonald, Roberto Armellin, Dong Qiao, Xiangyu Li ยท 2026

This paper develops a robust angles-only IROD method based on polynomial optimization for arbitrary nonlinear dynamics. First, the relative motion is approximated by high-order Taylor polynomials withโ€ฆ

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Energy spectrum of magnetic fields from electroweak symmetry breaking

Karoly Seller, Gunter Sigl ยท 2026

We study the magnetic fields produced in the early Universe during the electroweak symmetry breaking by considering random configurations of an inhomogeneous Higgs field. By exploiting the inherent raโ€ฆ

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Trillion-atom molecular dynamics simulations with ab initio accuracy

Pengfei Suo, Wudi Cao, Xingxing Wu, Wenjie Zhang, Zheyong Fan, Shuanghan Xian, Rui Wang, Cheng Qian, Chao Liang, Qinghong Yuan, Xiaoshuang Chen, Pengfei Guan, Jingde Bu, Hongzhen Tian, Yanjing Su, Feng Ding, Lin-Wang Wang ยท 2026

Material properties are fundamentally dictated by multiscale phenomena, which often reach mesoscale in size. The {\mu}m mesoscale is also the size which can be observed directly under an optical microโ€ฆ

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The formation of circumbinary planets through disc fragmentation

Matthew Teasdale, Dimitris Stamatellos ยท 2026

Over 50 circumbinary exoplanets have been discovered in recent years, with several of them being gas giants on wide orbits ($>10$AU). The aim of this work is to investigate whether these planets can fโ€ฆ

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Gravitational waves of extreme-mass-ratio inspirals in a rotating black hole with Dehnen dark matter halo

Kun Meng, Shao-Jun Zhang, Nan Yang ยท 2026

Extreme Mass Ratio Inspirals (EMRIs) are among the key targe sources for the space-based gravitational wave (GW) detectors. The waveforms of the EMRIs are highly sensitive to the types of the central โ€ฆ

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