Magnetic properties of a transverse spin-3/2 Ising model with random longitudinal field

被引：6
|
作者：
Liang, YQ [1 ]
Wei, GZ
Song, GL
机构：
[1] Liaoning Univ, Dept Phys, Shenyang 110036, Peoples R China
[2] Northeastern Univ, Coll Sci, Shenyang 110006, Peoples R China
[3] Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
[4] Machinery Res Inst Liaoning Province, Shenyang 110032, Peoples R China
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2004年 / 241卷 / 15期
关键词：
D O I：
10.1002/pssb.200402088
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Within the framework of the effective-field theory with correlations, a spin-3/2 transverse Ising model in the longitudinal random-field on a honeycomb lattice is studied. The phase diagrams and the behavior of the tricritical point are examined. The possible re-entrance phenomena displayed by the system due to the competition effects that occur for the appropriate ranges of the random and transverse field are investigated. The longitudinal and transverse magnetizations, the longitudinal quadrupolar moments and internal energy are given numerically for a honeycomb lattice (z = 3). (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：3636 / 3644
页数：9
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