The phase diagram of the biaxial spin-1 Ising system

被引：0
|
作者：
Boughrara, M.
Kerouad, M.
Saber, M.
Baldomir, D.
机构：
[1] Univ Moulay Ismail, Dept Phys, Fac Sci, LPMMS, Meknes, Morocco
[2] Univ Santiago de Compostela, Fac Fis, Dept Fis Aplicada, E-15782 Santiago De Compostela, Spain
[3] Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
来源：
CHINESE JOURNAL OF PHYSICS | 2007年 / 45卷 / 01期
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D O I：
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The biaxial spin-1 Ising system with a transverse magnetic field on a honeycomb lattice is studied, using the effective field theory based on a probability distribution technique that accounts for the self spin correlation functions. We have investigated the effects of the strength of the transverse field and the strengths of the biaxial crystal fields on the phase diagram of the system. The results show that a tricritical point exists only for certain values of the biaxial crystal fields and the transverse field.
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页码：75 / 83
页数：9
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