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	Exact solutions of a class of S=1 quantum Ising spin models
	Yang, Zhi-Hua; Yang, Li-Ping; Wu, Hai-Na; Dai, Jianhui; Xiang, Tao; Yang, ZH , Zhejiang Univ, Zhejiang Inst Modern Phys, Hangzhou 310027, Peoples R China
刊名	PHYSICAL REVIEW B
	2009
卷号	79期号:21页码:-
关键词	Antiferromagnetic Dimer Compound Transverse-crystal-field Phase-transitions Thermodynamic Properties Polar-molecules Delta-chain Lattice Criticality Alternation State
ISSN号	1098-0121
英文摘要	We propose a hole decomposition scheme to exactly solve a class of spin-1 quantum Ising models with transverse or longitudinal single-ion anisotropy. In this scheme, the spin-1 model is mapped onto a family of the S=1/2 transverse Ising models, characterized by the total number of holes. A recursion formula is derived for the partition function based on the reduced S=1/2 Ising model. This simplifies greatly the summation over all the hole configurations. It allows the thermodynamic quantities to be rigorously determined in the thermodynamic limit. The ground-state phase diagram is determined for both the uniform and dimerized spin chains. The corresponding thermodynamic properties are calculated and discussed.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000267699200088
公开日期	2012-08-02
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/5301]
专题	理论物理研究所_理论物理所1978-2010年知识产出
通讯作者	Yang, ZH , Zhejiang Univ, Zhejiang Inst Modern Phys, Hangzhou 310027, Peoples R China
推荐引用方式 GB/T 7714	Yang, Zhi-Hua,Yang, Li-Ping,Wu, Hai-Na,et al. Exact solutions of a class of S=1 quantum Ising spin models[J]. PHYSICAL REVIEW B,2009,79(21):-.
APA	Yang, Zhi-Hua,Yang, Li-Ping,Wu, Hai-Na,Dai, Jianhui,Xiang, Tao,&Yang, ZH , Zhejiang Univ, Zhejiang Inst Modern Phys, Hangzhou 310027, Peoples R China.(2009).Exact solutions of a class of S=1 quantum Ising spin models.PHYSICAL REVIEW B,79(21),-.
MLA	Yang, Zhi-Hua,et al."Exact solutions of a class of S=1 quantum Ising spin models".PHYSICAL REVIEW B 79.21(2009):-.

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