Isotropic Blume-Emery-Griffiths model with four spin interactions

被引：0
|
作者：
Laaboudi, B. [1 ]
Kerouad, M. [1 ]
机构：
[1] Universite Moulay Ismail, Meknes, Morocco
来源：
| 1996年 / Elsevier Science B.V., Amsterdam, Netherlands卷 / 164期
关键词：
Approximation theory - Magnetic fields - Mathematical models - Phase diagrams;
D O I：
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学科分类号：
摘要：
The isotropic Blume-Emery-Griffiths model with four spin interactions is studied within the finite cluster approximation (FCA). We have investigated the influence of the four spin interaction on the phase diagram of the model. We have shown that the phase diagram may exhibit a reentrant and a tricritical behaviour.
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