EFFECT OF A CRYSTAL-FIELD ON PHASE-TRANSITIONS IN A SPIN-1 TRANSVERSE ISING-MODEL

被引：46

作者：

JIANG, XF

LI, JL

ZHONG, JL

YANG, CZ

机构：

[1] CHINESE CTR ADV SCI & TECHNOL, CTR THEORET PHYS, WORLD LAB, BEIJING, PEOPLES R CHINA

[2] SUZHOU UNIV, DEPT PHYS, SUZHOU 215006, PEOPLES R CHINA

来源：

PHYSICAL REVIEW B | 1993年 / 47卷 / 02期

关键词：

D O I：

10.1103/PhysRevB.47.827

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Within an effective-field approximation, general expressions for evaluating the second-order phase-transition line and tricritical point of the spin-1 transverse Ising model with the presence of a crystal field are obtained with the Honmura-Kaneyoshi differential-operator technique. The phase diagrams and the behavior of the tricritical point are investigated numerically for the honeycomb lattice.

引用

页码：827 / 830

页数：4

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