Results 271 to 280 of about 12,836,400 (307)

Solving the Hubbard model with neural quantum states. [PDF]

Nat Commun
Gu Y, Li W, Lin H, Zhan B, Li R, Huang Y, He D, Wu Y, Xiang T, Qin M, Wang L, Lv D.   +11 more
europepmc   +1 more source

Tuning Competing Electronic Phases in Monolayer VSe2 via Interface Hybridization. [PDF]

ACS Nano
Pushkarna I, Pásztor Á, Lupi G, Fumega AO, Renner C.   +4 more
europepmc   +1 more source

Field-induced quasi-bound state within the two-magnon continuum of a square-lattice Heisenberg antiferromagnet

Mansson M, Elson F, Nayak M, Eberharter A, Skoulatos M, Ward S, Stuhr U, Christensen N, Voneshen D, Fiolka C, Krämer K, Rüegg C, Rønnow H, Normand B, Mourigal M, Mila F, Laeuchli A.   +16 more
europepmc   +1 more source

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Quantum Field Theory (QFT) on the Lattice

2016
In 1964, Gell-Mann [1] and Zweig [2] proposed that hadrons, the particles which experience strong interactions, are made of quarks. Quarks are confined within hadrons and never seen in isolation. Electron-nucleon scattering experiments at large momentum transfer could be explained by assuming the nucleon is made of almost-free point-like constituents ...
Francesco Knechtli, Michael Günther, Michael Peardon   +2 more
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MCMC and Quantum Field Theories on a Lattice

2020
We can consider relativistic quantum field theory as the quantum mechanics of fields defined on a spacetime. A field has infinite number of degrees of freedom since it can take a value at every point in spacetime.
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Scattering and Bound States in Euclidean Lattice Quantum Field Theories

Annales Henri Poincaré, 2001
The problem of asymptotic completeness (AC) is the question whether all pure states can be interpreted in terms of scattering states of particles. The authors study here the two-body AC in massive Euclidean lattice quantum field theories. Schwinger \(n\)-point functions \(S_n(x_1,\dots, x_n)\), \(x_i\in \mathbb{Z}^{d+1}\) with \(d\geq 1\), and Bethe ...
Auil, F., Barata, J. C. A.
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Lattice Boltzmann method for quantum field theory

Journal of Physics A: Mathematical and Theoretical, 2007
It is shown that a (1 + 1)-dimensional lattice Boltzmann discretization of the Klein–Gordon and Dirac equations complies with equal-time-commutation-relations. As a result, the lattice Boltzmann discretization leads to a consistent lattice formulation of the quantum field theory in 1 + 1 dimensions.
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Critical aspects of quantum field theories on the lattice

2008
Dottorato di ricerca in Fisica XXI ...
Gravina, Mario, Papa, Alessandro, Falcone, Giovanni   +2 more
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Lattice fractional quantum field theory: Exact differences approach

Modern Physics Letters A, 2020
An approach, which is based on exact fractional differences, is used to formulate a lattice fractional field theories on unbounded lattice spacetime. An exact discretization of differential and integral operators of integer and non-integer orders is suggested.
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A quantum field theory of melting and lattice dynamics

Physica A: Statistical Mechanics and its Applications, 1986
Abstract The melting and the lattice dynamics are investigated from the view-point of a quantum field theory at finite temperature (thermo field theory). Our theory starts with ion cores and valence electrons interacting with each other as the first principle.
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