Disordered spin-one Ising model with biquadratic exchange interaction within functional integration method

被引：0

作者：

Rudavskii, Y ^{[1
]}

Vatamaniuk, O ^{[1
]}

Savenko, V ^{[1
]}

机构：

[1] NATL ACAD SCI UKRAINE,INST CONDENSED MATTER PHYS,UA-290011 LVOV 11,UKRAINE

来源：

PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1996年 / 197卷 / 02期

关键词：

D O I：

10.1002/pssb.2221970222

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A disordered spin-one Ising model with biquadratic exchange interaction is investigated within a functional integration approach. The free energy is presented in the form of a functional expansion in a series over the Fourier-transformed density fluctuations. In random phase approximation expressions for phase transition temperatures are obtained. The structural disorder is simulated by means of hard core system structure factors.

引用

页码：479 / 486

页数：8

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