Effective-field theory on the kinetic spin-3/2 Ising model

被引：9
作者：
Shi, Xiaoling [1 ,2 ]
Qi, Yang [1 ,3 ]
机构：
[1] Northeastern Univ, Sch Sci, Inst Mat Phys & Chem, Shenyang 110004, Peoples R China
[2] Liaoning Univ Petr & Chem Technol, Sch Sci, Fushun 113001, Peoples R China
[3] Northeastern Univ, Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110004, Peoples R China
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2015年 / 393卷
关键词：
Kinetic spin-3/2 lsing model; Glauber dynamic; Effective-field theory; Dynamic phase transition; BLUME-CAPEL MODEL; EMERY-GRIFFITHS MODEL; MULTICRITICAL PHASE-DIAGRAMS; CLUSTER VARIATION METHOD; CRYSTAL-FIELD; TRANSITION; BEHAVIOR; LATTICE;
D O I：
10.1016/j.jmmm.2015.05.043
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effective-field theory (EFT) is used to study the dynamical response of the kinetic spin-3/2 Ising model in the presence of a sinusoidal oscillating magnetic field. The effective-field dynamic equations are given for the honeycomb lattices (Z = 3). The dynamic order parameter, the dynamic quadrupole moment are calculated. We have found that the behavior of the system strongly depends on the crystal field interaction D. The dynamic phase boundaries are obtained, and there is no dynamic tricritical point on the dynamic phase transition line. The results are also compared with previous results which obtained from the mean-field theory (MFT) and the effective-field theory (EFT) for the square lattices (Z = 4). Different dynamic phase transition lines show that the thermal fluctuations are a key factor of the dynamic phase transition. (C) 2015 Elsevier B.V. All rights reserved.
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收藏
页码：204 / 208
页数：5
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