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Computational Physics

Authors and titles for recent submissions

[ total of 45 entries: 1-25 | 26-45 ]
[ showing 25 entries per page: fewer | more | all ]

Thu, 2 May 2024

[1]  arXiv:2405.00661 (cross-list from gr-qc) [pdf, other]
Title: Towards quantum gravity with neural networks: Solving quantum Hamilton constraints of 3d Euclidean gravity in the weak coupling limit
Authors: Hanno Sahlmann, Waleed Sherif
Comments: 46 pages, 14 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th); Computational Physics (physics.comp-ph)
[2]  arXiv:2405.00640 (cross-list from physics.flu-dyn) [pdf, other]
Title: Stochastic fluids with transport noise: Approximating diffusion from data using SVD and ensemble forecast back-propagation
Authors: James Woodfield
Subjects: Fluid Dynamics (physics.flu-dyn); Computational Physics (physics.comp-ph)
[3]  arXiv:2405.00317 (cross-list from math.DS) [pdf, other]
Title: Input gradient annealing neural network for solving low-temperature Fokker-Planck equations
Authors: Liangkai Hang, Dan Hu, Zin-Qin John Xu
Subjects: Dynamical Systems (math.DS); Computational Physics (physics.comp-ph)

Wed, 1 May 2024

[4]  arXiv:2404.19602 [pdf, other]
Title: Uncertainty quantification for charge transport in GNRs through particle Galerkin methods for the semiclassical Boltzmann equation
Authors: Andrea Medaglia, Giovanni Nastasi, Vittorio Romano, Mattia Zanella
Comments: 26 pages, 6 Figures, 4 Tables
Subjects: Computational Physics (physics.comp-ph); Numerical Analysis (math.NA); Applied Physics (physics.app-ph)
[5]  arXiv:2404.19163 [pdf, other]
Title: Efficient Mixed-Precision Matrix Factorization of the Inverse Overlap Matrix in Electronic Structure Calculations with AI-Hardware and GPUs
Authors: Adela Habib, Joshua Finkelstein, Anders M. N. Niklasson
Comments: 12 pages, 4 figures, 1 table and a few algorithms
Subjects: Computational Physics (physics.comp-ph); Materials Science (cond-mat.mtrl-sci); Mathematical Physics (math-ph)
[6]  arXiv:2404.19653 (cross-list from cond-mat.stat-mech) [pdf, other]
Title: BAD-NEUS: Rapidly converging trajectory stratification
Authors: John Strahan, Chatipat Lorpaiboon, Jonathan Weare, Aaron R. Dinner
Comments: 18 pages, 10 figures
Subjects: Statistical Mechanics (cond-mat.stat-mech); Computational Physics (physics.comp-ph)
[7]  arXiv:2404.19635 (cross-list from physics.plasm-ph) [pdf, other]
Title: Thermal Fluid Closures and Pressure Anisotropies in Numerical Simulations of Plasma Wakefield Acceleration
Authors: Daniele Simeoni, Andrea Renato Rossi, Gianmarco Parise, Fabio Guglietta, Mauro Sbragaglia
Comments: The following article has been submitted to Physics of Plasma
Subjects: Plasma Physics (physics.plasm-ph); Accelerator Physics (physics.acc-ph); Computational Physics (physics.comp-ph)
[8]  arXiv:2404.19613 (cross-list from cond-mat.mtrl-sci) [pdf, ps, other]
Title: High-throughput discovery of metal oxides with high thermoelectric performance via interpretable feature engineering on small data
Authors: Shengluo Ma, Yongchao Rao, Xiang Huang, Shenghong Ju
Subjects: Materials Science (cond-mat.mtrl-sci); Applied Physics (physics.app-ph); Computational Physics (physics.comp-ph)
[9]  arXiv:2404.19572 (cross-list from cond-mat.mtrl-sci) [pdf, other]
Title: Self-assembling of multilayered polymorphs with ion beams
Authors: Alexander Azarov, Cristian Radu, Augustinas Galeckas, Ionel Florinel Mercioniu, Adrian Cernescu, Vishnukanthan Venkatachalapathy, Edouard Monakhov, Flyura Djurabekova, Corneliu Ghica, Junlei Zhao, Andrej Kuznetsov
Comments: 9 pages, 4 figure, under review, private communication for supplementary notes
Subjects: Materials Science (cond-mat.mtrl-sci); Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Computational Physics (physics.comp-ph)
[10]  arXiv:2404.19539 (cross-list from quant-ph) [pdf, other]
Title: Path integral spin dynamics for quantum paramagnets
Authors: Thomas Nussle, Pascal Thibaudeau, Stam Nicolis
Comments: 10 pages, 8 figures
Subjects: Quantum Physics (quant-ph); Materials Science (cond-mat.mtrl-sci); Computational Physics (physics.comp-ph)
[11]  arXiv:2404.19440 (cross-list from cond-mat.mtrl-sci) [pdf, other]
Title: Negative transit time in non-tunneling electron transmission through graphene multilayers
Authors: E. E. Krasovskii, R.O. Kuzian
Comments: 9 pages, 6 figures
Subjects: Materials Science (cond-mat.mtrl-sci); Computational Physics (physics.comp-ph); Optics (physics.optics); Quantum Physics (quant-ph)
[12]  arXiv:2404.19172 (cross-list from physics.chem-ph) [pdf, other]
Title: Striking the Right Balance of Encoding Electron Correlation in the Hamiltonian and the Wavefunction Ansatz
Authors: Kalman Szenes, Maximilian Moerchen, Paul Fischill, Markus Reiher
Comments: 12 pages, 4 figures, 1 table
Subjects: Chemical Physics (physics.chem-ph); Strongly Correlated Electrons (cond-mat.str-el); Computational Physics (physics.comp-ph); Quantum Physics (quant-ph)
[13]  arXiv:2404.19054 (cross-list from physics.flu-dyn) [pdf, other]
Title: Bounds to the Basset-Boussinesq force on particle laden stratified flows
Authors: Christian Reartes, Pablo D. Mininni
Subjects: Fluid Dynamics (physics.flu-dyn); Atmospheric and Oceanic Physics (physics.ao-ph); Computational Physics (physics.comp-ph)
[14]  arXiv:2404.19027 (cross-list from quant-ph) [pdf, other]
Title: Better Optimization of Variational Quantum Eigensolvers by combining the Unitary Block Optimization Scheme with Classical Post-Processing
Authors: Xiaochuan Ding, Bryan K. Clark
Comments: 16 pages, 10 figures
Subjects: Quantum Physics (quant-ph); Computational Physics (physics.comp-ph)
[15]  arXiv:2404.19023 (cross-list from quant-ph) [pdf, other]
Title: Sign problem in tensor network contraction
Authors: Jielun Chen, Jiaqing Jiang, Dominik Hangleiter, Norbert Schuch
Subjects: Quantum Physics (quant-ph); Statistical Mechanics (cond-mat.stat-mech); Strongly Correlated Electrons (cond-mat.str-el); Computational Physics (physics.comp-ph)

Tue, 30 Apr 2024 (showing first 10 of 15 entries)

[16]  arXiv:2404.18393 [pdf, other]
Title: Machine Learning Interatomic Potentials with Keras API
Authors: James Paolo Rili
Subjects: Computational Physics (physics.comp-ph); Disordered Systems and Neural Networks (cond-mat.dis-nn)
[17]  arXiv:2404.18141 [pdf, ps, other]
Title: Efficient, robust and universal computation of classical orbital elements
Authors: Roberto Flores, Elena Fantino
Subjects: Computational Physics (physics.comp-ph); Earth and Planetary Astrophysics (astro-ph.EP); Instrumentation and Methods for Astrophysics (astro-ph.IM)
[18]  arXiv:2404.17692 [pdf, other]
Title: Walking on Spheres and Talking to Neighbors: Variance Reduction for Laplace's Equation
Authors: Michael Czekanski, Benjamin Faber, Margaret Fairborn, Adelle Wright, David Bindel
Comments: 21 pages, 7 figures
Subjects: Computational Physics (physics.comp-ph); Probability (math.PR); Applied Physics (physics.app-ph)
[19]  arXiv:2404.18871 (cross-list from cond-mat.stat-mech) [pdf, other]
Title: Avalanche Dynamics and the Effect of Straining in Dislocation Systems with Quenched Disorder
Authors: Dénes Berta, Barna Mendei, Péter Dusán Ispánovity
Subjects: Statistical Mechanics (cond-mat.stat-mech); Disordered Systems and Neural Networks (cond-mat.dis-nn); Computational Physics (physics.comp-ph)
[20]  arXiv:2404.18819 (cross-list from cond-mat.str-el) [pdf, other]
Title: Photo-induced insulator-metal transition in paramagnetic (V$_{1-x}$Cr$_{x}$)$_2$O$_3$
Authors: Jiyu Chen, Francesco Petocchi, Viktor Christiansson, Philipp Werner
Subjects: Strongly Correlated Electrons (cond-mat.str-el); Computational Physics (physics.comp-ph)
[21]  arXiv:2404.18780 (cross-list from cs.LG) [pdf, other]
Title: Optimal time sampling in physics-informed neural networks
Authors: Gabriel Turinici
Subjects: Machine Learning (cs.LG); Numerical Analysis (math.NA); Computational Physics (physics.comp-ph)
[22]  arXiv:2404.18754 (cross-list from physics.flu-dyn) [pdf, ps, other]
Title: Spectral measures and iterative bounds for effective diffusivity of steady and space-time periodic flows
Authors: N. B. Murphy, D. Hallman, E. Cherkaev, J. Xin, K. M. Golden
Comments: 20 pages, 6 figures, and 2 tables
Subjects: Fluid Dynamics (physics.flu-dyn); Applied Physics (physics.app-ph); Computational Physics (physics.comp-ph); Geophysics (physics.geo-ph)
[23]  arXiv:2404.18748 (cross-list from cond-mat.mtrl-sci) [pdf, ps, other]
Title: Unveiling the Impact of B-site Distribution on the Frustration Effect in Double Perovskite Ca2FeReO6 Using Monte Carlo Simulation and Molecular Field Theory
Authors: Guoqing Liu, Jiajun Mo, Zeyi Lu, Qinghang Zhang, Puyue Xia, Min Liu
Comments: 15 pages, 5 figures
Subjects: Materials Science (cond-mat.mtrl-sci); Computational Physics (physics.comp-ph)
[24]  arXiv:2404.18740 (cross-list from cond-mat.mtrl-sci) [pdf, other]
Title: Diffuse scattering from dynamically compressed single-crystal zirconium following the pressure-induced $α\toω$ phase transition
Authors: P. G. Heighway, S. Singh, M. G. Gorman, D. McGonegle, J. H. Eggert, R. F. Smith
Comments: 20 pages, 17 figures in main article; 5 pages, 5 figures in supplementary material. This article will be submitted to Physical Review B
Subjects: Materials Science (cond-mat.mtrl-sci); Computational Physics (physics.comp-ph)
[25]  arXiv:2404.18676 (cross-list from math.NA) [pdf, other]
Title: Exact symmetry conservation and automatic mesh refinement in discrete initial boundary value problems
Authors: Alexander Rothkopf, W. A. Horowitz, Jan Nordström
Comments: 50 pages, 12 figures
Subjects: Numerical Analysis (math.NA); High Energy Physics - Lattice (hep-lat); High Energy Physics - Theory (hep-th); Computational Physics (physics.comp-ph)
[ total of 45 entries: 1-25 | 26-45 ]
[ showing 25 entries per page: fewer | more | all ]

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