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

Efficient Routing of Quantum LDPC Codes on Programmable 2D Toric Architectures

Kun Liu, Takahiro Tsunoda, Sophia H. Xue, Evan McKinney, Zeyuan Zhou, Shifan Xu, Robert J. Schoelkopf, Yongshan Ding ยท 2026

Quantum low-density parity-check codes are promising candidates towards scalable fault-tolerant quantum computation. Among these, bivariate bicycle (BB) codes offer superior encoding rates and large cโ€ฆ

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Physics Preprint PDF DOI

Investigating the formation channel of GW231123: Population III stars or hierarchical mergers?

Federico Angeloni, Konstantinos Kritos, Raffaella Schneider, Emanuele Berti, Luca Graziani, Stefano Torniamenti, Michela Mapelli, Ataru Tanikawa ยท 2026

The gravitational wave event GW231123, with component black hole masses lying within or above the pair-instability mass gap, poses a significant challenge to current stellar evolution models. In this โ€ฆ

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Physics Preprint PDF DOI

Confinement in a finite duality cascade

Fabrizio Aramini, Riccardo Argurio, Matteo Bertolini, Pietro Moroni, Valdo Tatitscheff ยท 2026

We provide several consistency checks of confining dynamics in a recently conjectured holographic dual of a four-dimensional ${\cal N}=1$ supersymmetric gauge theory that flows from a conformal manifoโ€ฆ

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A new approach to long-lived particle detection at hadron colliders: the $\textsf{DELIGHT-SHIELD}$ concept

Biplob Bhattacherjee, Arnav Chauhan, Swagata Mukherjee, Rhitaja Sengupta, Anand Sharma ยท 2026

We propose a fundamental shift in the search for beyond the Standard Model long-lived particles (LLPs) at high-luminosity hadron colliders by prioritizing physical background suppression over traditioโ€ฆ

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Harmoniq: Efficient Data Augmentation on a Quantum Computer Inspired by Harmonic Analysis

Kristina Kirova, Monika Doerfler, Franz Luef, Richard Kueng ยท 2026

Quantum machine learning has attracted significant interest in recent years. Most existing approaches, however, are variational in nature and require extensive parameter optimization subroutines. Hereโ€ฆ

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Galaxies at z > 10: {\Lambda}CDM predicts increased Star Formation Efficiency

Francisco Prada, Peter Behroozi, Tomoaki Ishiyama, Enrique Perez, Anatoly Klypin, Xin Wang, Jose Ruedas ยท 2026

We show that the rest-frame UV statistics and global properties of galaxies at 7 <= z <= 14 are naturally reproduced within the standard {\Lambda}CDM framework when galaxy formation is modeled with Unโ€ฆ

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Neural Spectral Bias and Conformal Correlators I: Introduction and Applications

Kausik Ghosh, Sidhaarth Kumar, Vasilis Niarchos, Andreas Stergiou ยท 2026

We demonstrate that simple feed-forward neural networks (NNs) can accurately compute correlation functions of conformal field theories (CFTs) on a line. Strikingly, by optimising a NN solely on crossiโ€ฆ

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Beyond Three Terms: Continued Fractions for Rotating Black Holes in Modified Gravity

Georgios Karikos, Jayana A. Saes, Pratik Wagle, Nicolas Yunes ยท 2026

Black-hole ringdown offers a clean probe of strong gravity, but one of its most accurate tools--Leaver's continued-fraction method--requires a three-term recurrence relation. Beyond general relativityโ€ฆ

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All-order fluctuating hydrodynamics of the SYK lattice

Marta Bucca, Akash Jain, Mark Mezei, Alexey Milekhin ยท 2026

The SYK model has played an important role in recent developments in many-body quantum chaos. We study a spatially local generalisation of it: the SYK lattice. Starting from the nonlinear action of psโ€ฆ

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Tree Amplitudes with Charged Matter in Pure Gauge Theory

Jacob L. Bourjaily, Michael Plesser, Philip Velie ยท 2026

We describe the implementation and usage of `fermionic_amplitudes.m', a Mathematica package for the computation of tree amplitudes involving arbitrary numbers of gauge bosons and arbitrarily-charged mโ€ฆ

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If at First You Don't Succeed, Trispectrum: I. Estimating the Matter Power Spectrum Covariance with Higher-Order Statistics

Samuel Goldstein, Kendrick M. Smith, Utkarsh Giri, Moritz Munchmeyer ยท 2026

We present a method to estimate non-Gaussian power spectrum covariance matrices by directly measuring the response of the small-scale power spectrum to long-wavelength perturbations via bispectrum andโ€ฆ

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On the curlometer measurement of field-aligned and perpendicular currents in low Earth orbit: Swarm observations and whole geospace simulations

R Gajewski, RT Desai, B Hnat, D Lin, MW Dunlop, M Fillion, G Hulot, Shreedevi P R, M-T Walach, E Panov, J-M Leger, T Jager, D Fischer, W Magnes, JA Blake, T Etchells ยท 2026

Measuring field-aligned currents (FACs) using magnetic field observations provides a powerful means to probe the multi-scale interactions between the magnetosphere, ionosphere and thermosphere. In thiโ€ฆ

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Hamiltonian dynamics from pure dissipation

Zhong-Xia Shang, Daniel Stilck Franca ยท 2026

The fundamental difference between closed and open quantum dynamics lies in their environmental interaction: closed systems are perfectly isolated and evolve reversibly under unitary Hamiltonian dynamโ€ฆ

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AtomTwin.jl: a physics-native digital twin framework for neutral-atom quantum processors

Shannon Whitlock ยท 2026

AtomTwin$.$jl is an open-source Julia package for developing and simulating quantum protocols, hardware configurations and building digital twins for neutral-atom quantum processors and related atomicโ€ฆ

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Photoinduced orbital polarization and Jahn-Teller effect in RNiO$_3$

Sangeeta Rajpurohit, Sheikh Rubaiat Ul Haque, Aaron M. Lindenberg, Peter E. Blochl, Tadashi Ogitsu ยท 2026

The orbital degree of freedom in rare-earth nickelates is typically inactive across the temperature-driven metal-insulator transition, where the system develops two inequivalent Ni sites associated wiโ€ฆ

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Low-noise Pauli-consistent ensemble Monte Carlo for graphene with electron-electron scattering

Tigran Zalinyan, Giovanni Nastasi ยท 2026

We investigate Pauli-consistent ensemble Monte Carlo simulations of graphene with explicit intraband electron-electron scattering. To reduce the cost of electron-electron proposal-rate evaluation, we โ€ฆ

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Multiscale phase dynamics and $2\pi$ phase kinks in injection-locked optoelectronic oscillators with large delay

Abhijit Banerjee, Trevor J. Hall ยท 2026

Injection locking of optoelectronic oscillators (OEOs) with large delay gives rise to phase dynamics that lie beyond the scope of classical single mode locking theory, including the spontaneous formatโ€ฆ

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Scaling of Quantum Resources for Simulating a Long-Range System

Tanya Keshari, Debasis Sadhukhan ยท 2026

We simulate a long-range extended Ising model in one dimension using a hybrid quantum algorithm, namely Variational Quantum Eigensolver (VQE). In this quantum simulation, we investigate how quantum reโ€ฆ

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pyTRAIN -- a modern TRAIN implementation

Michi Hostettler, Xavier Buffat, Tobias Persson, Tatiana Pieloni, Jorg Wenninger ยท 2026

The TRAIN code, developed in 1995 as a post-processor for second-order transport maps from MAD, has been used extensively at the LEP and the LHC to study self-consistent closed orbits, tunes and chromโ€ฆ

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Diffusion compaction coupling controls pore pressure dynamics in granular fluid flows

Eric C.P. Breard, Claudia Elijas Parra, Mattia de' Michieli Vitturi ยท 2026

Excess pore pressure in granular--fluid mixtures can transiently suppress frictional contacts and dramatically enhance flow mobility, yet its evolution is commonly modeled using constant effective difโ€ฆ

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