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题名: THE EFFECT OF AN EXTERNAL MAGNETIC-FIELD ON THE MLRO IN THE GLOBAL GROUND-STATES OF SOME ANTIFERROMAGNETIC MODELS
作者: TIAN, GS
刊名: JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL
出版日期: 1994
卷号: 27, 期号:12, 页码:4043-4048
关键词: ORDER
学科分类: Physics
通讯作者: TIAN, GS , BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA.
部门归属: ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
英文摘要: In this paper, we shall study the effect of an external magnetic field on the magnetic long-range orders (MLRO) in the global ground states of the quantum XY model and the isotropic Heisenberg model on the simple cubic lattices. We shall rigorously prove that, while an external magnetic field (staggered in the antiferromagnetic case) which favours MLRO in a specific spin direction, say x-direction, is turned on, it completely suppresses the MLRO in the perpendicular spin directions in the global ground states of these models.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11884
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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TIAN, GS. THE EFFECT OF AN EXTERNAL MAGNETIC-FIELD ON THE MLRO IN THE GLOBAL GROUND-STATES OF SOME ANTIFERROMAGNETIC MODELS[J]. JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL,1994,27(12):4043-4048.
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