Bethe-peierls Approximation for Lagrangian and Hamiltonian Lattice Models - INSPIRE

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Bethe-peierls Approximation for Lagrangian and Hamiltonian Lattice Models

Jun, 1983

22 pages

Published in:

Phys.Rev.D 29 (1984) 300

DOI:

10.1103/PhysRevD.29.300

Report number:

Print-83-0502 (BARILOCHE)

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Abstract: (APS)

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.

STATISTICAL MECHANICS: ISING
GAUGE FIELD THEORY: Z(2)
GAUGE FIELD THEORY: THREE-DIMENSIONAL
APPROXIMATION: MEAN FIELD
LATTICE FIELD THEORY: CRITICAL PHENOMENA
RENORMALIZATION GROUP
NUMERICAL CALCULATIONS
MATHEMATICAL METHODS: VARIATIONAL
vacuum state: energy STATE

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Figures(0)

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