FERROMAGNETISM IN THE BLUME-EMERY-GRIFFITHS MODEL ON FINITE-SIZE CAYLEY TREE

被引：1

作者：

Chen, Wen-Jun ^{[1
]}

Kong, Xiang-Mu ^{[1
]}

机构：

[1] Qufu Normal Univ, Dept Phys, Shandong Prov Key Lab Laser Polarizat & Informat, Qufu 273165, Peoples R China

来源：

MODERN PHYSICS LETTERS B | 2011年 / 25卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Magnetization; Cayley tree; Blume-Emery-Griffiths model; ONE ISING-MODEL; ZERO-FIELD SUSCEPTIBILITY; BETHE LATTICE; BIQUADRATIC INTERACTIONS; THERMODYNAMIC LIMIT; UNIAXIAL ANISOTROPY; SPIN; BEHAVIOR; APPROXIMATION; EXCHANGE;

D O I：

10.1142/S0217984911025602

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The ferromagnetic properties of the spin-1 BEG model on finite-size Cayley tree are investigated using the exact recursion method. The spontaneous magnetization of the system is studied in detail for different values of the reduced crystal-field interaction D/J, and it is found that there is an unusual behavior (anti-Curie temperature) when D/J > 2.0. We also obtain the Curie temperature of this finite-size system. When the system size is large enough, our results will fit well with that in the thermodynamic limit.

引用

页码：385 / 390

页数：6

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