Thermodynamic properties of the anisotropic Heisenberg model with Dzyaloshinsky-Moriya interaction

被引：0
|
作者：
de Sousa, JR [1 ]
Lacerda, F
Fittipaldi, IP
机构：
[1] Univ Amazonas, Inst Ciencias Exactas, Dept Fis, BR-69077000 Manaus, Amazonas, Brazil
[2] Univ Fed Pernambuco, Dept Fis, BR-50670901 Recife, PE, Brazil
来源：
PHYSICA A | 1998年 / 258卷 / 1-2期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the thermodynamic properties of spin-1/2 anisotropic Heisenberg model with Dzyaloshinsky-Moriya (DM) interaction using the Oguchi approximation. Although the theory is developed for lattices with general coordination number z, we treat in detail the model in the simple cubic lattice (z = 6), where the critical and tricritical behavior of the thermodynamic properties are analysed as a function of DM parameter. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
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页码：221 / 229
页数：9
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