PHASE-TRANSITION OF SITE-DILUTE ISING-MODEL IN A RANDOM FIELD

被引：24

作者：

BOBAK, A ^{[1
]}

MACKO, P ^{[1
]}

机构：

[1] SLOVAK ACAD SCI,INST EXPTL PHYS,CS-04353 KOSICE,CZECHOSLOVAKIA

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1992年 / 109卷 / 2-3期

关键词：

D O I：

10.1016/0304-8853(92)91746-G

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The phase diagrams of a site-dilute Ising model with a random field are studied within the framework of a one-spin cluster approximation. Tricritical points and reentrant phenomena are discussed. The influence of the random field on the critical concentration of magnetic atoms at which the transition temperature reduces to zero is also investigated.

引用

页码：172 / 178

页数：7

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