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

Efficient Classical Simulation of Heuristic Peaked Quantum Circuits

David Kremer, Nicolas Dupuis ยท 2026

Peaked quantum circuits, whose output distribution is sharply concentrated on a single bitstring, have emerged as a promising candidate for verifiable quantum advantage, as the correctness of the quanโ€ฆ

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The impact of hydrogen atom tunneling on aromatic chemistry in TMC-1

Reace H. J. Willis, Thomas H. Speak, Alex N. Byrne, Christopher N. Shingledecker, Ilsa R. Cooke ยท 2026

Hydrogen atom tunneling likely plays a substantial role in the gas-phase chemistry of astrochemical environments. To determine the potential effect that it has on the chemical modeling of aromatic molโ€ฆ

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The Dyson Minds 2025 Workshop: SETI around Black Holes

Olivia Curtis, Van Hunter Adams, Daniel Angerhausen, Joseph Bates, Anamaria Berea, Steven J. Dick, Martin Elvis, Sunil P. Khatri, Richard Linares, Manushaqe Muco, S. Seager, Jason T. Wright ยท 2026

The Dyson Minds 2025 Workshop, held at the Center for Brains, Minds & Machines at MIT and organized by Penn State, MIT, and The Ultraintelligence Foundation, brought together researchers in astrophysiโ€ฆ

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Ion Channel Dynamics in Temperature-Dependent Weibel Instability Saturation

Vivek Shrivastav, Mani K Chettri, Hemam D. Singh, Britan Singh, Rupak Mukherjee ยท 2026

We present 1X2V continuum Vlasov-Maxwell simulations of interpenetrating plasma beams with mobile ions. While the early-time evolution is similar to the stationary-ion case, the late-time dynamics areโ€ฆ

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Quark and gluon production in the presence of the time-varying chiral magnetic current

Kirill Tuchin ยท 2026

The chiral magnetic effect consists in the induction of the electric current along the direction of the magnetic field. The corresponding transport coefficient $b_0$, known as the chiral magnetic condโ€ฆ

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Extending Hamiltonian-Adaptive Resolution Simulation to Interfaces: An Updated LAMMPS Implementation and Application to Porous Solids

Hari Haran Sudhakar, Alessandra Serva, Rocio Semino ยท 2026

Many natural phenomena involve processes that happen simultaneously at different characteristic length- and timescales. Typically, the region where the process of interest happens is affected by fluctโ€ฆ

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High-performance cellular automaton decoders for quantum repetition and toric code

Don Winter, Thiago L. M. Guedes, Markus Muller ยท 2026

Execution of quantum algorithms on large-scale quantum computers will require extremely low logical error rates, which necessitates the development of scalable decoding architectures. Local decoders aโ€ฆ

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Meshless $h$-adaptive Solution for non-Newtonian Natural Convection in a Differentially Heated Cavity

Miha Rot, Gregor Kosec ยท 2026

One of the main challenges in numerically solving partial differential equations is finding a discretisation for the computational domain that balances the accurate representation of the underlying fiโ€ฆ

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OptiMat Alloys: a FAIR, living database of multi-principal element alloys enabled by a conversational agent

Yang Hu, Vladyslav Turlo ยท 2026

The FAIR principles have transformed how computational data and workflows are shared in materials research, yet existing repositories can only serve pre-computed entries -- broad coverage is perpetualโ€ฆ

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Critical role of phase-dependent properties in modeling photothermal sintering of LiCoO2 cathodes

Yang Hu, Benoit Sklenard, Wouter Vels, Yaroslav E. Romanyuk, Vladyslav Turlo ยท 2026

Photothermal (photonic) sintering crystallizes as-deposited amorphous LiCoO2 (LCO) cathodes for solid-state thin-film batteries using millisecond, surface-localized heating. However, process design ofโ€ฆ

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Phenomenological Detector Design and Optimization in Vertically-Integrated Differentiable Full Simulations with Agentic-AI

Wonyong Chung, Qibin Liu, Liangyu Wu, Julia Gonski ยท 2026

We present the first implementation of AI agents into the design and optimization of detectors in high-energy physics experiments via a bilevel optimization framework that vertically integrates detectโ€ฆ

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Turbulent mixing of a hydrogen jet in crossflow: direct numerical simulation and model assessment

Yiqing Wang, Chao Xu, Riccardo Scarcelli, Ben Cantrell, Jon Anders, Sameera Wijeyakulasuriya ยท 2026

A numerical study for a hydrogen (H2) jet in an air crossflow (JICF) was performed using direct numerical simulation (DNS), large eddy simulation (LES), and Reynolds-averaged Navier-Stokes (RANS) apprโ€ฆ

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Electronic and Vibrational Properties of On-Surface Synthesized Gulf-Edged Chiral Graphene Nanoribbons

Xuanchen Li, Amogh Kinikar, Vikas Sharma, Andres Ortega Guerrero, George F. S. Whitehead, Mickael Lucien Perrin, Carlo A. Pignedoli, Roman Fasel, Ashok Keerthi, Gabriela Borin Barin ยท 2026

On-surface synthesis enables the fabrication of graphene nanoribbons (GNRs) with atomic precision, allowing their electronic, optical, and magnetic properties to be tuned by engineering edge structureโ€ฆ

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Informative Priors on Primordial Non-Gaussianity Bias $b_{\phi}$ From Galaxy Formation

Anne Moore, Lucia A. Perez, Elisabeth Krause ยท 2026

Constraining primordial non-Gaussianity via its scale-dependent imprint on galaxy clustering requires knowledge of the bias parameter $b_{\phi}$, which is exactly degenerate with $f^{\rm{loc}}_{\rm{NLโ€ฆ

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Exact formulas for arbitrary order velocity-gradient moments in isotropic turbulence

Tong Wu, Chensheng Luo, Le Fang, Michael Wilczek ยท 2026

Statistical moments of velocity gradients provide fundamental information on the small-scale properties of turbulence. In this work, we propose a systematic method to derive exact expressions for statโ€ฆ

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Nearly Complete Charge--Spin Conversion via Strain-Eliminated Fermi Pockets in $d$-Wave Altermagnets

Wancheng Zhang, Zhenhua Zhang, Rui Xiong, Zhihong Lu ยท 2026

$d$-wave altermagnets possess nearly orthogonal flat Fermi surfaces, which in an idealized limit enable complete spin-channel separation and a theoretical charge-to-spin conversion efficiency (CSE) ofโ€ฆ

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Novel dynamics for an inertial polar tracer in an active bath

Jing-Bo Zeng, Ji-Hui Pei ยท 2026

A polar tracer immersed in an active bath is known to be propelled forward and therefore activated. Here we report that the induced dynamics of an inertial tracer can be much richer than expected. We โ€ฆ

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Magnetar Engines in Broad-lined Type Ic Supernovae and a Unified Picture for Magnetar-powered Stripped-envelope Supernovae

Jin-Ping Zhu, Bing Zhang ยท 2026

We model the multi-band lightcurves of 80 SNe Ic-BL, including 11 associated with lGRBs, using a magnetar engine model with $^{56}$Ni decay. We find that the data are all consistent with a magnetar ceโ€ฆ

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Quantum-information diagnostics of cosmological perturbations with nontrivial sound speed in inflation

Shi-Cheng Liu, Lei-Hua Liu, Bichu Li, Hai-Qing Zhang, Peng-Zhang He ยท 2026

In this work, we systematically investigate the quantum-information diagnostics of cosmological perturbations with a nontrivial sound speed, utilizing a normalized open two-mode squeezed-state framewoโ€ฆ

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Gauging the Impact of Cosmic Ray Feedback on the Stellar Initial Mass Function

Margot Fitz Axen, Stella S. R. Offner, Philip F. Hopkins, Michael Y. Grudic ยท 2026

Cosmic rays (CRs) drive ionization and influence gas dynamics in molecular clouds (MCs), potentially impacting the resulting star formation outcomes. Although previous simulations of individual star fโ€ฆ

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