Results 21 to 30 of about 146,967 (225)

Effective Field Theories and Quantum Chromodynamics on the Lattice

open access: green, 2004
We give a selection of results on spectrum and decay constants of light and heavy-light hadrons. Effective field theories relevant for their lattice calculation, namely non-relativistic QCD (NRQCD) for heavy quarks on the lattice and Chiral Perturbation Theory for light quarks, are briefly discussed.
A. Ali Khan
openalex   +5 more sources

Quantum lattice gas algorithmic representation of gauge field theory [PDF]

open access: yesSPIE Proceedings, 2016
Presented is a quantum lattice gas algorithm to efficiently model a system of Dirac particles interacting through an intermediary gauge field. The algorithm uses a fixed qubit array to represent both the spacetime and the particles contained in the ...
J. Yepez
semanticscholar   +5 more sources

fcc lattice, checkerboards, fractons, and quantum field theory

open access: greenPhysical review B, 2021
Pranay Gorantla   +3 more
openalex   +3 more sources

Quantum Tetrahedral Mean Field Theory of the Magnetic Susceptibility for the Pyrochlore Lattice [PDF]

open access: greenPhysical Review Letters, 2000
A quantum mean field theory of the pyrochlore lattice is presented. The starting point is not the individual magnetic ions, as in the usual Curie-Weiss mean field theory, but a set of interacting corner sharing tetrahedra. We check the consistency of the model against magnetic susceptibility data, and find a good agreement between the theoretical ...
Ángel J. García-Adeva, D. L. Hùber
openalex   +4 more sources

Lattice Integrable Models of Quantum Field Theory [PDF]

open access: green, 1993
The quantum inverse scattering method allows one to put quantum field theory models on a lattice in a way which preservesthe dynamicalstructure.The trace identitiesare discussedfor thesemodels.
V. E. Korepin   +2 more
openalex   +4 more sources

Quantum group symmetries in two-dimensional lattice quantum field theory

open access: yesNuclear Physics B, 1991
Abstract We present a general theory of non-local conserved currents in two-dimensional quantum field theory in the lattice approximation. They reflect quantum group symmetries. Various examples are studied.
D. Bernard, G. Felder
semanticscholar   +3 more sources

Quantum Cellular Automata from Lattice Field Theories

open access: green, 2003
We apply the methods of lattice field theories to the quantization of cellular automata. We discuss the quantization of five main categories of cellular automata: bosonic, fermionic, supersymmetric, spin and quantum dot using path integral and operator formalisms of lattice field theories.
Michael McGuigan
openalex   +4 more sources

Disordered Lattice Glass $\phi^{4}$ Quantum Field Theory [PDF]

open access: green
We study numerically the three-dimensional $ϕ^{4}$ spin glass, a prototypical disordered and discretized Euclidean field theory that manifests inhomogeneities in space and time but considers a homogeneous squared mass and lambda terms. The $ϕ^{4}$ lattice glass field theory is a conceptual generalization of spin glasses to continuous degrees of freedom
Dimitrios Bachtis
openalex   +3 more sources

Strategies for quantum-optimized construction of interpolating operators in classical simulations of lattice quantum field theories [PDF]

open access: yesPhysical Review D, 2022
It has recently been argued that noisy intermediate-scale quantum computers may be used to optimize interpolating operator constructions for lattice quantum field theory (LQFT) calculations on classical computers.
A. Avkhadiev, P. Shanahan, R. Young
semanticscholar   +1 more source

Diffusion Models as Stochastic Quantization in Lattice Field Theory [PDF]

open access: yesJournal of High Energy Physics, 2023
In this work, we establish a direct connection between generative diffusion models (DMs) and stochastic quantization (SQ). The DM is realized by approximating the reversal of a stochastic process dictated by the Langevin equation, generating samples from
L. Wang, Gert Aarts, Kai Zhou
semanticscholar   +1 more source

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