Phase diagrams of the spin-3/2 Blume-Emery-Griffiths model on the Bethe lattice using the recursion method

被引：40

作者：

Albayrak, E ^{[1
]}

Keskin, M ^{[1
]}

机构：

[1] Erciyes Univ, Dept Phys, TR-38039 Kayseri, Turkey

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2002年 / 241卷 / 2-3期

关键词：

spin-3/2 BEG model; Bethe lattice; the exact recursion equations;

D O I：

10.1016/S0304-8853(01)01388-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The statistical physics of the spin-3/2 Blume-Emery-Griffiths model on the Bethe lattice is studied by using the exact recursion equations. Exact expressions for the free energy, the Curie or the second-order phase transition temperatures as well as the magnetization and quadrupolar moment order parameters are found. The phase diagrams in (kT/J, D/J) and (kT/J,K/J) planes are presented in depth for various values of constants K/J and D/J, respectively. The phase diagrams are discussed and a comparison is made with the results of the other approximation methods. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：249 / 259

页数：11

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