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

Reduced-order modelling of parametrized unsteady Navier-Stokes equations and application to flow around cylinders with periodic changing boundary conditions

Shan Ding, Yongfu Tian, Rui Yang ยท 2026

Computational fluid dynamics (CFD) simulations play an important role in engineering science and applications, however, it is not applicable for problems requiring a large number of repeated calculatiโ€ฆ

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Gradual eigenvector ergodization in coupled Ginibre matrices

Margherita Disertori, Yan V. Fyodorov ยท 2026

Non-Hermitian random matrices provide a useful framework for understanding universal characteristics of dissipative quantum chaotic systems with loss or gain. We consider a model of two such system reโ€ฆ

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Entanglement (1+2) QED in a double layer of Dirac Materials

Facundo Arreyes, Federico Escudero, Arian Gorza, Sebastian Ardenghi ยท 2026

We investigate the momentum-space entanglement between two Dirac quasiparticles in a double-layer honeycomb lattice coupled via a planar electromagnetic cavity. We model the low-energy excitations as โ€ฆ

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Finite-time Lyaponov analysis of a trained reservoir computer

Dishant Sisodia, Sarika Jalan ยท 2026

We use finite-time Lyapunov exponent (FTLE) distributions to probe transition mechanisms in high-dimensional reservoir maps trained on low-dimensional chaotic dynamics across multiple regimes. While tโ€ฆ

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Constitutive relations for colloidal gel

Saikat Roy, Yezaz Ahmed Gadi Man ยท 2026

The theoretical treatment of depletion gels with central interactions often involves expanding the free energy around a stress-free reference state to derive a constitutive relation between global strโ€ฆ

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Capillary effects on preferential orientation of floaters in gravity waves

Basile Dhote, Ewen Le Ster, Wietze Herreman, Frederic Moisy ยท 2026

We study the influence of capillary effects on the motion of thin elastic plates denser than water drifting in propagating surface gravity waves. Such floaters experience a mean angular drift that rotโ€ฆ

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A Fully Quantum Algorithm for Image Edge Detection

Fred Sun ยท 2026

This work introduces a novel quantum algorithm for gradient-based edge detection that operates entirely within the quantum circuit model. Grayscale images are encoded using the Novel Enhanced Quantum โ€ฆ

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Explore Simpler Eigenmarking: Quantum Entailment Model Checking

Tatpong Katanyukul ยท 2026

Targeting entailment model checking, a recent study has pioneered an idea of Eigenmarking search, an improvement over Grover search using extra qubits. The extra qubits condition the quantum state evoโ€ฆ

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Hyperaccreting Neutron Stars inside Massive Envelopes: The Implausibility of Thorne-\.Zytkow Objects

Patrick Chi-Kit Cheong, David Radice, Christopher L. Fryer ยท 2026

The evolution of neutron stars (NSs) embedded within massive stellar envelopes is a critical phase in binary stellar evolution, potentially leading to the formation of Thorne-\.Zytkow Objects (T\.ZOs)โ€ฆ

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Ultrabroadband Gain-Switched and Superluminescent Terahertz Semiconductor Lasers

Urban Senica, Michael A. Schreiber, Mattias Beck, Christian Jirauschek, Jerome Faist, Giacomo Scalari ยท 2026

Terahertz quantum cascade lasers (THz QCLs) are chip-scale semiconductor lasers operating in the frequency range between 1-6 THz, useful as compact sources for spectroscopy, communications, and non-deโ€ฆ

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Efficient Quantum Fully Homomorphic Encryption

Fengxia Liu, Zixian Gong, Kun Tian, Yi Zhang, Zhiming Zheng, Maozhi Xu ยท 2026

Quantum fully homomorphic encryption (QFHE) promises secure delegated quantum computation but has been impeded by the prohibitive quantum resource demands of existing constructions. This paper introduโ€ฆ

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FACET2-S2E: Start-to-end simulations of the FACET-II beamline

Nathan Majernik, Frederick Cropp, Claudio Emma, Thamine Dalichaouch ยท 2026

FACET2-S2E is a Python package for start-to-end simulations of the Facility for Advanced Accelerator Experimental Tests-II (FACET-II), a US Department of Energy National User Facility. A kilometer-lonโ€ฆ

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Quantum Causal Discovery via Amplitude Estimation of Kullback-Leibler Divergence

Shabnam Sodagari ยท 2026

Causal discovery from observational data underpins applications in finance, climate modeling, and machine learning. Constraint-based causal discovery reduces structure learning to a sequence of conditโ€ฆ

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Moth's eye-inspired perfectly vertical subwavelength grating coupler for silicon photonics

Ivan A. Kazakov, Ilona Popova, Arkady Shipulin ยท 2026

We propose a novel bio-inspired design principle for the perfectly vertical grating coupler. The main idea of our design is to introduce anisotropy to the grating stripe to direct the light to one sidโ€ฆ

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Forecasting graviton-mass constraints from the full covariance of PTA-astrometry ORF estimators

Jing-Hong Han, Zhi-Chao Zhao ยท 2026

We develop a full-covariance formalism for pulsar timing array(PTA) -- astrometry verlap reduction function (ORF) estimators and use it to forecast graviton-mass constraints from a nanohertz stochastiโ€ฆ

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All-Optical High-Resolution Real-Time Temperature Estimation Method Based on Fiber-Optic Interferometry

Jingwen Yang, Long Chen, Haoliang Yu, Xiaofeng Jin, Jianxiang Miao, Jia Kong ยท 2026

High-resolution temperature monitoring is essential for many engineering and scientific applications, but conventional sensors are limited by insufficient resolution and susceptibility to electromagneโ€ฆ

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Bayesian phase transition for the critical Ising model: Enlarged replica symmetry in the epsilon expansion and in 2D

Kay Joerg Wiese, Alapan Das, Adam Nahum ยท 2026

A process that images or measures bond energies in the critical Ising model can be in distinct measurement ``phases'', depending on the precision of measurement. We study the transition into the stronโ€ฆ

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Deflection of a Filament Eruption with Three Parallel Flare Ribbons via Reconnection at an X-Point

Xiaomeng Zhang, Jinhan Guo, Yang Guo, Mingde Ding, Brigitte Schmieder ยท 2026

On 2024 May 6, Active Region 13663 produced an X4.5-class flare associated with a filament eruption that exhibited remarkable rotation and deflection dynamics. This study aims to investigate two key aโ€ฆ

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Revisit viscous shock tube at low Reynolds number

Yue Zhang, Kun Xu ยท 2026

The viscous shock tube is a canonical test case for assessing Navier-Stokes (NS) solvers in the continuum-flow regime, widely used to validate numerical accuracy and probe flow physics. It features a โ€ฆ

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Constrained Quantum Optimization meets Model Reduction

Max Tschaikowski, Andrea Vandin ยท 2026

Quantum optimization algorithms promise advantages for difficult problems but are costly to simulate and analyze on classical machines. Recently, constrained quantum optimization has been investigatedโ€ฆ

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