CONTRIBUTION TO THE NEW TYPE OF EFFECTIVE-FIELD THEORY OF THE ISING-MODEL

被引：641
作者：
HONMURA, R
KANEYOSHI, T
机构：
[1] Department of Physics, Nagoya University, Nagoya
来源：
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS | 1979年 / 12卷 / 19期
关键词：
D O I：
10.1088/0022-3719/12/19/016
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A new type of effective-field theory of the Ising model is presented. The differential-operator method is introduced into the exact spin correlation function identity obtained by Callen. The Curie temperatures are evaluated by using two different types of effective Hamiltonians. It is also shown how the Zernike and the Bethe-Peierls equations can be reproduced within one framework depending on the choice of effective fields in an effective Hamiltonian. The spin correlation function and the specific heat are presented.
引用
收藏
页码：3979 / 3992
页数：14
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