Global Bethe lattice consideration of the spin-1 Ising model

被引：58

作者：

Akheyan, AZ ^{[1
]}

Ananikian, NS ^{[1
]}

机构：

[1] INT CTR THEORET PHYS,TRIESTE,ITALY

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1996年 / 29卷 / 04期

关键词：

D O I：

10.1088/0305-4470/29/4/004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The spin-1 Ising model with bilinear and biquadratic exchange interactions and single-ion crystal field is solved on the Bethe lattice using exact recursion equations. The general procedure of investigation of critical properties is discussed and a full set of phase diagrams are constructed for both positive and negative biquadratic couplings. A comparison is made with the results of other approximation schemes.

引用

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页码：721 / 731

页数：11

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