Phase diagrams and tricritical behavior in a spin-2 transverse Ising model with a crystal field on honeycomb lattice

被引：10

作者：

Jiang, W

Wei, GZ

Xin, ZH

机构：

[1] Northeastern Univ, Coll Sci, Shenyang 110006, Peoples R China

[2] Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China

[3] China Criminal Police Coll, Dept Basic Course, Shenyang 110035, Peoples R China

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2000年 / 220卷 / 01期

关键词：

Ising model; phase transition; tricritical behavior; transverse field; crystal field;

D O I：

10.1016/S0304-8853(00)00446-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Within the effective-field theory with correlations, general expressions for evaluating the second-order phase transition line and tricritical point of the spin-2 transverse Ising model with the presence of a crystal field are obtained, The phase diagrams and the behavior of the tricritical point are studied numerically for the honeycomb lattice (z = 3). (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：96 / 100

页数：5

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