Bethe-Peierls approximation for Lagrangian and Hamiltonian lattice models

Journal Article · Sun Jan 15 00:00:00 EST 1984 · Phys. Rev. D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.29.300· OSTI ID:5002875

Dagotto, E; Moreo, A

The Bethe-Peierls approximation is applied to the classical Ising model in D dimensions and in a variational treatment of the Hamiltonian Z(2) gauge model in 2+1 dimensions. These analytical and simple calculations are in good agreement with exact results.

• Research Organization: Centro Atomico Bariloche, Comision Nacional de Energia Atomica and Instituto Balseiro, Universidad Nacional de Cuyo, 8400-Bariloche, Argentina
• OSTI ID: 5002875
• Journal Information: Phys. Rev. D; (United States), Vol. 29:2
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
LATTICE FIELD THEORY
ISING MODEL
GAUGE INVARIANCE
HAMILTONIANS
LAGRANGIAN FUNCTION
PERTURBATION THEORY
PROBABILITY
RENORMALIZATION
VARIATIONAL METHODS
CRYSTAL MODELS
FIELD THEORIES
FUNCTIONS
INVARIANCE PRINCIPLES
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
QUANTUM FIELD THEORY
QUANTUM OPERATORS
645400* - High Energy Physics- Field Theory