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
收藏
页码：249 / 259
页数：11
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