Výsledky vyhledávání - "Computational methods for problems pertaining to quantum theory"

On action ground states of defocusing nonlinear Schrödinger equations

Autoři: Wei Liu Chushan Wang Xiaofei Zhao

Zdroj: Mathematical Models and Methods in Applied Sciences. 35:39-74

Témata: energy ground state, NLS equations (nonlinear Schrödinger equations), Asymptotic behavior of solutions to PDEs, action ground state, Numerical Analysis (math.NA), Variational principles in infinite-dimensional spaces, Computational methods for problems pertaining to quantum theory, Mesh generation, refinement, and adaptive methods for boundary value problems involving PDEs, rotation, numerical simulations, Mathematics - Analysis of PDEs, 35B38, 35Q55, 58E30, 81-08, asymptotics, Time-dependent Schrödinger equations and Dirac equations, Finite difference methods for initial value and initial-boundary value problems involving PDEs, FOS: Mathematics, Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics, defocusing nonlinear Schrödinger equation, Spectral, collocation and related methods for boundary value problems involving PDEs, Mathematics - Numerical Analysis, quantized vortices, Critical points of functionals in context of PDEs (e.g., energy functionals), Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs, Analysis of PDEs (math.AP)

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2311.02890
https://zbmath.org/8005753
https://doi.org/10.1142/s0218202525500022

Solitons for a generalized reaction–diffusion equation with the higher‐order power‐law nonlinearity in (1+1)‐ and (2+1)‐dimensional systems: Solitons for a generalized reaction-diffusion equation with the higher-order power-law nonlinearity in (1+1)- and (2+1)-dimensional systems

Autoři: Xiaogang Tang Daju Wang Keyu Bao a další

Zdroj: Mathematical Methods in the Applied Sciences. 47:14960-14975

Témata: nonlinear dynamics, Soliton equations, 0103 physical sciences, F-expansion method, reaction-diffusion equation, Computational methods for problems pertaining to quantum theory, soliton, 01 natural sciences

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/7996629
https://doi.org/10.1002/mma.10313

Error estimates of exponential wave integrators for the Dirac equation in the massless and nonrelativistic regime

Autoři: Ying Ma Lizhen Chen

Zdroj: Numerical Methods for Partial Differential Equations. 40

Témata: Computational methods for problems pertaining to quantum theory, 01 natural sciences, Fourier pseudospectral method, Error bounds for initial value and initial-boundary value problems involving PDEs, exponential wave integrator, Time-dependent Schrödinger equations and Dirac equations, 0103 physical sciences, Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics, Spectral, collocation and related methods for boundary value problems involving PDEs, Dirac equation, Numerical solution of discretized equations for initial value and initial-boundary value problems involving PDEs, 0101 mathematics, Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs, massless and nonrelativistic regime, \(\varepsilon\)-scalability

Popis souboru: application/xml

Reconfigured continuous normalized gradient flow for computing ground states of Bose-Einstein condensates

Autoři: Wang, Hao Cai, Wenjun Song, Yongzhong a další

Zdroj: Computer Physics Communications. 309:109506

Témata: reconfigured continuous normalized gradient flow, Bose-Einstein condensate, Applications to the sciences, spin-1 Bose-Einstein condensate, NLS equations (nonlinear Schrödinger equations), supplementary variable method, Stability and convergence of numerical methods for boundary value problems involving PDEs, Computational methods for problems pertaining to quantum theory, continuous normalized gradient flow

Popis souboru: application/xml

Numerical spectra of the Laplacian for line bundles on Calabi-Yau hypersurfaces

Autoři: A. Ashmore Y-H. He E. Heyes a další

Zdroj: Journal of High Energy Physics, Vol 2023, Iss 7, Pp 1-49 (2023)
Journal of High Energy Physics

Témata: High Energy Physics - Theory, Mathematics - Differential Geometry, Superstring Vacua, Dimensional compactification in quantum field theory, FOS: Physical sciences, QC770-798, Numerical Analysis (math.NA), Computational methods for problems pertaining to quantum theory, 01 natural sciences, Mathematics - Spectral Theory, Superstrings and Heterotic Strings, differential and algebraic geometry, High Energy Physics - Theory (hep-th), Differential Geometry (math.DG), Nuclear and particle physics. Atomic energy. Radioactivity, Supersymmetric field theories in quantum mechanics, superstrings and heterotic strings, 0103 physical sciences, FOS: Mathematics, superstring vacua, Differential and Algebraic Geometry, Mathematics - Numerical Analysis, Spectral Theory (math.SP)

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2305.08901
https://zbmath.org/7744309
https://doi.org/10.1007/jhep07(2023)164
https://doaj.org/article/d34fd93a91f4479b9d7376b0749cc1c4

Numerical analysis of bipartite entanglement evolution in simple cubic 1/2-spin system with additional spin 1 dopant

Autoři: Michał Kaczor Paweł Jakubczyk

Zdroj: Quantum Information Processing. 22

Témata: Markovian time evolution, spin systems, 0103 physical sciences, Quantum coherence, entanglement, quantum correlations, open systems, quantum entanglement, Computational methods for problems pertaining to quantum theory, 01 natural sciences

Popis souboru: application/xml

Scalable semidefinite programming approach to variational embedding for quantum many-body problems

Autoři: Yuehaw Khoo Michael Lindsey

Zdroj: Journal of Computational Physics. 510:113041

Témata: augmented Lagrangian, quantum embedding, 0211 other engineering and technologies, Mathematical sciences, FOS: Physical sciences, 02 engineering and technology, Atomic, Computational methods for problems pertaining to quantum theory, 01 natural sciences, Mathematical Sciences, Engineering, Numerical mathematical programming methods, Many-body theory, quantum Hall effect, 0103 physical sciences, FOS: Mathematics, Semidefinite programming, quantum many-body problem, Mathematics - Optimization and Control, Quantum Physics, Augmented Lagrangian, Applied Mathematics, Molecular and Optical Physics, semidefinite programming, Computational Physics (physics.comp-ph), Physical sciences, Quantum many-body problem, Optimization and Control (math.OC), Physical Sciences, Quantum embedding, Quantum Physics (quant-ph), Physics - Computational Physics

Popis souboru: application/xml; application/pdf

Přístupová URL adresa: http://arxiv.org/abs/2106.02682
https://escholarship.org/content/qt0m60z443/qt0m60z443.pdf
https://escholarship.org/uc/item/0m60z443

Super-localised wave function approximation of Bose-Einstein condensates

Autoři: Peterseim, Daniel Wärnegård, Johan Zimmer, Christoph

Zdroj: Journal of Computational Physics

Témata: ddc:510, Special quantum systems, such as solvable systems, cubic nonlinear Schrödinger equation, ddc:530, numerical homogenisation, FOS: Physical sciences, super-localised orthogonal decomposition, Numerical Analysis (math.NA), nonlinear eigenvalue problems, low regularity potentials, Computational methods for problems pertaining to quantum theory, 01 natural sciences, Quantum Gases (cond-mat.quant-gas), FOS: Mathematics, Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs, Mathematics - Numerical Analysis, 0101 mathematics, Condensed Matter - Quantum Gases, PDEs in connection with optics and electromagnetic theory, Gross-Pitaevskii equation

Popis souboru: application/xml; application/pdf

Přístupová URL adresa: http://arxiv.org/abs/2309.11985
https://zbmath.org/8021054
https://doi.org/10.1016/j.jcp.2024.113097
https://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/108059
https://opus.bibliothek.uni-augsburg.de/opus4/files/108059/108059.pdf
https://nbn-resolving.org/urn:nbn:de:bvb:384-opus4-1080598
https://doi.org/10.1016/j.jcp.2024.113097

Permutation-adapted complete and independent basis for atomic cluster expansion descriptors

Autoři: Goff, J. M. Sievers, C. Wood, M. A. a další

Zdroj: Journal of Computational Physics. 510:113073

Témata: 0301 basic medicine, Condensed Matter - Materials Science, 0303 health sciences, 03 medical and health sciences, interatomic potentials, Stochastic particle methods, Materials Science (cond-mat.mtrl-sci), FOS: Physical sciences, angular momentum, atomic cluster expansion, Computational methods for problems pertaining to quantum theory, molecular dynamics, Atomic physics

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2208.01756

Master integrals for mixed QCD-QED corrections to charged-current Drell-Yan production of a massive charged lepton

Autoři: Ming-Ming Long Ren-You Zhang Wen-Gan Ma a další

Zdroj: Journal of High Energy Physics, Vol 2022, Iss 7, Pp 1-35 (2022)
Journal of High Energy Physics

Témata: Feynman integrals and graphs, applications of algebraic topology and algebraic geometry, FOS: Physical sciences, Higher Order Electroweak Calculations, QC770-798, Symbolic computation and algebraic computation, Computational methods for problems pertaining to quantum theory, 01 natural sciences, Strong interaction, including quantum chromodynamics, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), higher-order perturbative calculations, Nuclear and particle physics. Atomic energy. Radioactivity, 0103 physical sciences, Higher-Order Perturbative Calculations, Electromagnetic interaction, quantum electrodynamics, Feynman diagrams, higher order electroweak calculations

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2111.14130
https://zbmath.org/7628298
https://doi.org/10.1007/jhep07(2022)078
https://doaj.org/article/e9128b37af2c42a9b386550832073b75

Hartree-Fock Approximation for Bosons with Symmetry-Adapted Variational Wave Functions: Hartree-Fock approximation for bosons with symmetry-adapted variational wave functions

Autoři: B.R. Que J.M. Zhang H.F. Song a další

Zdroj: Physica A: Statistical Mechanics and its Applications. 664:130449

Témata: greedy algorithm, Bose-Hubbard model, Quantum Gases (cond-mat.quant-gas), Many-body theory, quantum Hall effect, Hartree-Fock, FOS: Physical sciences, variational wave function, Condensed Matter - Quantum Gases, Computational methods for problems pertaining to quantum theory, permanent state, variation after projection

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2502.15863

Automatic evaluation of UV and R2 terms for beyond the Standard Model Lagrangians: A proof-of-principle: Automatic evaluation of UV and \(R_2\) terms for beyond the standard model Lagrangians: a proof-of-principle

Autoři: Céline Degrande

Zdroj: Computer Physics Communications. 197:239-262

Témata: automated one-loop computation, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Software, source code, etc. for problems pertaining to quantum theory, ultraviolet counterterms, 0103 physical sciences, BSM, FOS: Physical sciences, rational terms, Computational methods for problems pertaining to quantum theory, 01 natural sciences, Feynman diagrams

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/pdf/1406.3030
http://arxiv.org/abs/1406.3030
https://inspirehep.net/literature/1300359
https://elsevier.digitalcommonsdata.com/datasets/b8wjj829m5/1
https://www.arxiv-vanity.com/papers/1406.3030/
http://ui.adsabs.harvard.edu/abs/2015CoPhC.197..239D/abstract
https://www.sciencedirect.com/science/article/abs/pii/S001046551500301X
https://dblp.uni-trier.de/db/journals/cphysics/cphysics197.html#Degrande15

Numerical evaluation of multi-gluon amplitudes for High Energy Factorization: Numerical evaluation of multi-gluon amplitudes for high energy factorization

Autoři: Marcin Bury A. van Hameren

Zdroj: Computer Physics Communications. 196:592-598

Témata: High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Software, source code, etc. for problems pertaining to quantum theory, amplitudes, 0103 physical sciences, FOS: Physical sciences, off-shell, 16. Peace & justice, Computational methods for problems pertaining to quantum theory, QCD, 01 natural sciences, Strong interaction, including quantum chromodynamics

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/pdf/1503.08612
http://arxiv.org/abs/1503.08612
https://zbmath.org/6711960
https://doi.org/10.1016/j.cpc.2015.06.023
https://www.sciencedirect.com/science/article/abs/pii/S0010465515002684
https://arxiv.org/pdf/1503.08612
https://inspirehep.net/literature/1357021
https://www.arxiv-vanity.com/papers/1503.08612/
https://doi.org/10.1016/j.cpc.2015.06.023
https://ui.adsabs.harvard.edu/abs/2015CoPhC.196..592B/abstract

Algorithms for the symbolic integration of hyperlogarithms with applications to Feynman integrals

Autoři: Erik Panzer

Zdroj: Computer Physics Communications. 188:148-166

Témata: High Energy Physics - Theory, Feynman integrals and graphs, applications of algebraic topology and algebraic geometry, FOS: Physical sciences, Mathematical Physics (math-ph), 16. Peace & justice, Computational methods for problems pertaining to quantum theory, 01 natural sciences, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), High Energy Physics - Theory (hep-th), Software, source code, etc. for problems pertaining to quantum theory, 0103 physical sciences, Feynman integrals, polylogarithms, computer algebra, \(\varepsilon\)-expansions, hyperlogarithms, Mathematical Physics, symbolic integration

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/pdf/1403.3385
http://arxiv.org/abs/1403.3385
https://zbmath.org/6625514
https://doi.org/10.1016/j.cpc.2014.10.019
https://arxiv.org/pdf/1403.3385
https://www.sciencedirect.com/science/article/pii/S0010465514003658
https://data.mendeley.com/datasets/sg78wtjd6m/1
https://inspirehep.net/literature/1285754
https://arxiv.org/abs/1403.3385
http://ui.adsabs.harvard.edu/abs/2015CoPhC.188..148P/abstract

DIANA and selected applications

Autoři: Fleischer, Jochem Tentyukov, M Tarasov, OV

Zdroj: Nuclear Physics B - Proceedings Supplements. 116:348-352

Témata: parallel processing, \(2\)-body potential quantum scattering theory, graphics, FOS: Physical sciences, Computational methods for problems pertaining to quantum theory, 01 natural sciences, Simulation and numerical modelling (quantum field theory), High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Feynamn diagram analyzer, 0103 physical sciences, Parallel algorithms in computer science, 0101 mathematics, Feynman diagrams

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/pdf/hep-ph/0211209
http://arxiv.org/abs/hep-ph/0211209
https://zbmath.org/1921939
https://doi.org/10.1016/s0920-5632(03)80197-4
https://arxiv.org/pdf/hep-ph/0211209v1
https://arxiv.org/abs/hep-ph/0211209v1
https://www.sciencedirect.com/science/article/pii/S0920563203801974
http://ui.adsabs.harvard.edu/abs/2003NuPhS.116..348F/abstract
http://www.sciencedirect.com/science/article/pii/S0920563203801974

The Frontier of Multi-Loop Feynman Diagrams: (Semi-) Numerical Techniques: The frontier of multi-loop Feynman diagrams: (Semi-) numerical techniques

Autoři: A. Ferroglia PASSARINO, Gian Piero M. Passera a další

Zdroj: Proceedings of the 31st International Conference on High Energy Physics Ichep 2002 ISBN: 9780444513434

Témata: 0103 physical sciences, Computational methods for problems pertaining to quantum theory, 01 natural sciences, Feynman diagrams, efficient computation, multi-leg diagrams

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/2024920
https://doi.org/10.1016/s0920-5632(03)90526-3
https://ui.adsabs.harvard.edu/abs/2003NuPhS.117..206F/abstract
https://www.sciencedirect.com/science/article/pii/S0920563203905263
https://inis.iaea.org/Search/search.aspx?orig_q=RN:35042921
https://hdl.handle.net/2318/115449
https://doi.org/10.1016/S0920-5632(03)90526-3

Ninja: Automated integrand reduction via Laurent expansion for one-loop amplitudes: Ninja: automated integrand reduction via Laurent expansion for one-loop amplitudes

Autoři: Peraro T.

Zdroj: Computer Physics Communications. 185:2771-2797

Témata: High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Software, source code, etc. for problems pertaining to quantum theory, Integrand reduction, One-loop computations, one-loop computations, 0103 physical sciences, FOS: Physical sciences, Computational methods for problems pertaining to quantum theory, 01 natural sciences, Yang-Mills and other gauge theories in quantum field theory, integrand reduction

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/pdf/1403.1229
http://arxiv.org/abs/1403.1229
https://dblp.uni-trier.de/db/journals/cphysics/cphysics185.html#Peraro14
https://arxiv.org/abs/1403.1229
http://ui.adsabs.harvard.edu/abs/2014CoPhC.185.2771P/abstract
https://inspirehep.net/literature/1283752
https://arxiv.org/pdf/1403.1229.pdf
https://cris.unibo.it/handle/11585/806599
https://hdl.handle.net/11585/806599
https://doi.org/10.1016/j.cpc.2014.06.017

Embedding at surfaces

Autoři: J.E. Inglesfield

Zdroj: The Embedding Method for Electronic Structure ISBN: 9780750310420

Témata: space embedding method, confined electrons, Many-body theory, quantum Hall effect, 0103 physical sciences, adsorbate, atomic orbitals method, electronic structure, Computational methods for problems pertaining to quantum theory, 01 natural sciences

Popis souboru: application/xml

Přístupová URL adresa: https://www.sciencedirect.com/science/article/pii/S0010465501001734
http://ui.adsabs.harvard.edu/abs/2001CoPhC.137...89I/abstract

Yang-Mills integrals

Autoři: Krauth, W. Plefka, J. Staudacher, M.

Zdroj: Classical and Quantum Gravity

Témata: High Energy Physics - Theory, High Energy Physics - Theory (hep-th), Supersymmetric field theories in quantum mechanics, 0103 physical sciences, FOS: Physical sciences, String and superstring theories, other extended objects (e.g., branes) in quantum field theory, Computational methods for problems pertaining to quantum theory, 01 natural sciences, Yang-Mills and other gauge theories in quantum field theory

Popis souboru: application/xml; application/pdf

Přístupová URL adresa: http://arxiv.org/pdf/hep-th/9911170
http://arxiv.org/abs/hep-th/9911170
https://zbmath.org/1498246
https://doi.org/10.1088/0264-9381/17/5/326
https://core.ac.uk/display/41508541
https://iopscience.iop.org/article/10.1088/0264-9381/17/5/326
http://ui.adsabs.harvard.edu/abs/2000CQGra..17.1171K/abstract
https://pure.mpg.de/pubman/item/item_152443_1/component/file_152441/9911170v2.pdf
https://arxiv.org/pdf/hep-th/9911170.pdf
https://arxiv.org/abs/hep-th/9911170
http://hdl.handle.net/11858/00-001M-0000-0013-572E-E
http://hdl.handle.net/11858/00-001M-0000-0013-572F-C
http://hdl.handle.net/11858/00-001M-0000-0013-572D-0

Testing and improving the numerical accuracy of the NLO predictions

Autoři: Roberto Pittau

Zdroj: Computer Physics Communications. 181:1941-1946

Témata: High Energy Physics - Phenomenology, OPP, High Energy Physics - Phenomenology (hep-ph), electroweak corrections, 0103 physical sciences, generalized unitarity, FOS: Physical sciences, NLO, Computational methods for problems pertaining to quantum theory, QCD, 01 natural sciences, Strong interaction, including quantum chromodynamics, Simulation and numerical modelling (quantum field theory)

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/pdf/1006.3773
http://arxiv.org/abs/1006.3773
https://zbmath.org/5915783
https://doi.org/10.1016/j.cpc.2010.09.013
https://dblp.uni-trier.de/db/journals/cphysics/cphysics181.html#Pittau10
http://ui.adsabs.harvard.edu/abs/2010CoPhC.181.1941P/abstract
https://arxiv.org/pdf/1006.3773v2
https://www.sciencedirect.com/science/article/pii/S0010465510003589
https://core.ac.uk/display/2130365
https://arxiv.org/abs/1006.3773