Transverse Ising model with multi-impurity
Huang, XC (Huang, Xuchu)1; Yang, ZH (Yang, Zhihua)1; Yang, ZH
2015
发表期刊JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷号381期号:5页码:372-376
摘要We study the transverse king spin model with spin-1 impurities under the exact solution. We develop a universal method to deal with the multi-impurity problem by introducing a displacement quantity in the wave function and get a recursive formula to simplify the calculation of the partition function. This allows us to rigorously determine the impurity effects for a specific distribution of impurity in the thermodynamic limit. The low temperature behaviors are governed by the interplay between host and impurity excitations, and the quantum critical fluctuations around the critical point of the transverse lsing model are tuned by the transverse field and the concentration of impurity. However the impurity effects are limited, which depends on the host-impurity exchange interaction and the coupling strength of impurities.
关键词Exact Solution Impurity Effect Thermodynamic Property
DOI10.1016/j.jmmm.2015.01.024
收录类别SCI
WOS记录号WOS:000349361100055
引用统计
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4897
专题中国科学院特殊环境功能材料与器件重点试验室
通讯作者Yang, ZH
作者单位1.Xinjiang Tech Inst Phys & Chem CAS, Key Lab Funct Mat & Devices Special Environm CAS, Urumqi 830011, Peoples R China
2.Univ Chinese Asad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Huang, XC ,Yang, ZH ,Yang, ZH. Transverse Ising model with multi-impurity[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2015,381(5):372-376.
APA Huang, XC ,Yang, ZH ,&Yang, ZH.(2015).Transverse Ising model with multi-impurity.JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,381(5),372-376.
MLA Huang, XC ,et al."Transverse Ising model with multi-impurity".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 381.5(2015):372-376.
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