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

Normalizing flows for density estimation in multi-detector gravitational-wave searches

Sam Insley, Michael J. Williams, Rahul Dhurkunde, Ian Harry ยท 2026

Identifying compact binary coalescences buried within the non-Gaussian and non-stationary data taken by gravitational-wave interferometers requires sophisticated search pipelines, such as the PyCBC anโ€ฆ

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Physics Preprint PDF DOI

Cosmological evolution of fast radio bursts and its rapid decline relative to star formation rate

X. D. Jia, D. H. Gao, J. H. Chen, Q. Wu, S. X. Yi, F. Y. Wang (NJU) ยท 2026

Fast radio bursts (FRBs) are enigmatic millisecond-duration radio transients whose physical origins remain debated. To shed light on this, we analyze the CHIME/FRB Catalog 2. By using the probability โ€ฆ

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Random Number Generators in Advanced Optical Experiments: A Comparative Analysis of Semiclassical, Quantum, and Hybrid Architectures

Daniil D. Reshetnikov, Anna A. Kretova, Anastasia A. Fominova, Evgenii A. Vashukevich, Tatiana Y. Golubeva, Kirill S. Tikhonov ยท 2026

Random numbers sequences (RNSs) play a vital role in various scientific and engineering applications. They are critical to the integrity of classical and quantum cryptography, the accuracy of mathematโ€ฆ

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Physics Preprint PDF DOI

Neural and Tensor Networks in the Study of Quantum Annealing Processors

Tomasz Smierzchalski ยท 2026

Quantum annealing targets low-energy solutions of Ising/QUBO problems, but reliable assessment requires more than best-energy comparisons. This dissertation develops a benchmarking framework for D-Wavโ€ฆ

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Phases and dynamics of an impurity immersed in one-dimensional quantum droplets

Dimitrios Diplaris, Ilias A. Englezos, Friethjof Theel, Peter Schmelcher, Simeon I. Mistakidis ยท 2026

We explore the ground-state properties of a single impurity immersed in a one-dimensional quantum droplet medium formed by a two-component Bose mixture. Relying on ab-initio simulations, we demonstratโ€ฆ

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Influence of a graphene substrate on the stabilization of molecular systems with hydrogen bonds

Alexander V. Savin ยท 2026

Numerical simulation of the dynamics of planar two- and three-layer molecular structures formed by $\beta$-sheets of polyglycine peptide chains and systems of parallel Kevlar (para-aramid) molecules pโ€ฆ

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Plasma dechirper and lens for electron beams from laser wakefield acceleration in a tailored density profile

T.L. Steyn, A. Panchal, O. Vasilovici, F.M. Herrmann, S. Schobel, P. Ufer, O. Khomyshyn, Y.-Y. Chang, I. Moulanier, M. Masckala, M. Samir, C. Ballage, M. LaBerge, P. Desesquelles, F. Massimo, S. Dobosz Dufrenoy, U. Schramm, A. Irman, B. Cros ยท 2026

Achieving high-quality electron beams from laser wakefield accelerators critically relies on density tailoring to control electron dynamics during injection, acceleration, and extraction. We report onโ€ฆ

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Large magnetoresistance and weak-antilocalization in the nodal-line semimetal VP2

Chunxiang Wu, Shuijin Chen, Tingyu Zhou, Le Liu, Xin Peng, Jianjian Jia, Xinyu Yu, Hangdong Wang, Jinhu Yang, Jianhua Du, Minghu Fang ยท 2026

After growing successfully high quality VP$_2$ single crystals, we studied systematically their longitudinal $\rho_{xx}(T)$ and Hall resistivity $\rho_{yx}(T)$ at various magnetic fields, combining thโ€ฆ

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A Systematic Search for Optical Outbursts in IPs Using ASAS-SN

Jake Mendelsohn, Simone Scaringi, Martina Veresvarska, Krystian I{l}kiewicz ยท 2026

Cataclysmic variables can show rapid increases in optical flux. Intermediate polars (IPs), a subset with strong magnetic fields that disrupt the inner accretion disc, have been thought to possess trunโ€ฆ

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A Hybrid Gas-Kinetic Scheme and Discrete Velocity Method for Continuum and Rarefied Flows

Hangkong Wu, Yuze Zhu, Yajun Zhu, Kun Xu ยท 2026

The gas-kinetic scheme (GKS) provides high computational efficiency and accuracy for continuum flow simulations but is unable to reliably capture rarefaction effects. In contrast, although the discretโ€ฆ

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Studying spherical collapse and its implications in the Eddington-inspired Born-Infeld gravity theory

A. M Velasquez-Toribio ยท 2026

We investigate spherical collapse in Eddington-inspired Born--Infeld (EiBI) gravity in the subhorizon, pressureless, and quasi-static regime, emphasizing the matter-gradient correction that appears inโ€ฆ

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Large-Scale Quantum Circuit Simulation on an Exascale System for QPU Benchmarking

J. A. Montanez-Barrera, Kristel Michielsen ยท 2026

Recent advances in quantum computing have enabled the development of quantum processors with hundreds of qubits. However, noise continues to limit the amount of useful information that can be extracteโ€ฆ

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Quantum Gatekeeper: Multi-Factor Context-Bound Image Steganography with VQC Based Key Derivation on Quantum Hardware

Sahil Tomar, Sandeep Kumar ยท 2026

This paper presents Quantum Gatekeeper, a context-bound image steganography framework where successful payload recovery depends on both cryptographic decryption and the reconstruction of a precise extโ€ฆ

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Nitrogen-induced ELM suppression and confinement improvement in the EAST tokamak with a full metal wall

Jingyan Hu, Peng Shi, Chu Zhou, Jinyue Liu, Gongshun Li, Hailin Zhao, Xiang Jian, Ge Zhuang ยท 2026

This paper reports the achievement of an ELM-free H-mode regime with confinement improvement enabled by nitrogen (N2) seeding on the Experimental Advanced Superconducting Tokamak (EAST) with a full meโ€ฆ

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Tidal Heating of Stellar Clusters in Fuzzy Dark Matter Halos

Yiheng Liu, Xinyu Li ยท 2026

Ultra-faint dwarf galaxies serve as powerful testing grounds for wave dark matter models through dynamical stellar heating. Previous simulation-based work derived a lower bound on the fuzzy dark matteโ€ฆ

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Comparison of Silvaco and Synopsys TCAD Predictions Including the Perugia Radiation Damage Model in Silicon Pixel Detectors for the HL-LHC

M. Bomben, T. Croci, K. Aouadj, A. Fondacci, F. Moscatelli, A. Morozzi, D. Passeri ยท 2026

At the High Luminosity Large Hadron Collider (HL-LHC), silicon pixel detectors will be exposed to radiation fluences about 5 to 10 times larger than those experienced by the current innermost pixel laโ€ฆ

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Quantum Complexity and New Directions in Nuclear Physics and High-Energy Physics Phenomenology

Caroline E. P. Robin, Martin J. Savage ยท 2026

Advances in quantum information science (QIS) are providing transformative insights into the complexity of quantum many-body systems, potentially defining new frontiers in nuclear and high-energy physโ€ฆ

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Analytical Modeling of Far-Field Wavefront Error with Beam-Waist and Lateral-Shift Effects in Spaceborne Laser Interferometry

Ya-Zheng Tao, Rui-Hong Gao, Guangzhou Xu, Yue-Liang Wu ยท 2026

The coupling between far-field wavefront error (WFE) and laser pointing jitter is an important source of tilt-to-length (TTL) noise in spaceborne laser interferometric links. We extend the Nijboer--Zeโ€ฆ

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Molecular Dynamics simulations of Al-Ti metallic alloy melts using a transferable machine-learning potential

Yuna Kato, Jurgen Brillo, Dirk Holland-Moritz, Fan Yang, Thomas C. Hansen, Thomas Voigtmann, Linnea Heitmeier ยท 2026

We investigate the structural and dynamical properties of binary aluminum-titanium liquid metallic alloys, as a function of temperature and composition. We make use of MD-simulations, using a transferโ€ฆ

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Double-Peaked Ly$\alpha$ Emission during Reionization Requires Nearby Voids and a Favorable Local Ionizing Background

Hyunbae Park, Aaron Smith, Intae Jung, Hidenobu Yajima, Pierre Ocvirk, Joseph S. W. Lewis, Luke Conaboy, Paul R. Shapiro, Ilian T. Iliev, Kyungjin Ahn, Joohyun Lee, Jenny G. Sorce, Yohan Dubois ยท 2026

Several Lyman-alpha (Ly$\alpha$) emitters deep into the reionization era exhibit double-peaked Ly$\alpha$ emission profiles, raising the question of how the intergalactic medium can transmit photons bโ€ฆ

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