A cluster density matrix for the effective field theory with correlations
Statistical Mechanics
2007-11-20 v1
Abstract
A cluster density matrix is introduced in the form suitable for the self-consistent calculation of relevant thermodynamic averages for the Ising model with spin S=1/2. On this basis, derivation of the Gibbs free-energy for the effective field theory of Honmura and Kaneyoshi is presented.
Cite
@article{arxiv.0711.2784,
title = {A cluster density matrix for the effective field theory with correlations},
author = {Tadeusz Balcerzak},
journal= {arXiv preprint arXiv:0711.2784},
year = {2007}
}