Mean-Field Studies of a Mixed Spin-3/2 and Spin-2 and a Mixed Spin-3/2 and Spin-5/2 Ising System with Different Anisotropies

被引：0
|
作者：
WEI Guo-Zhu~(1
机构：
来源：
CommunicationsinTheoreticalPhysics | 2009年 / 51卷 / 04期
关键词：
mixed spin Ising system; mean-field theory; phase transition;
D O I：
暂无
中图分类号：
O471 [半导体理论];
学科分类号：
070205 ; 080501 ; 0809 ; 080903 ;
摘要：
The magnetic properties of a mixed spin-3/2 and spin-2 and a mixed spin-3/2 and spin-5/2 Ising ferromag-netic system with different anisotropies are studied by means of mean-field theory(MFT).The dependence of the phasediagram on single-ion anisotropy strengths is studied too.In the mixed spin-3/2 and spin-2 Ising model,besides thesecond-order phase transition,the first order-disorder phase transition and the tricritical line are found.In the mixedspin-3/2 and spin-5/2 Ising model,there is no first-order transition and tricritical line.
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页码：756 / 760
页数：5
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