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题名: Thermodynamic properties of tetrameric bond-alternating spin chains
作者: Lu, HT ;  Su, YH ;  Sun, LQ ;  Chang, J ;  Liu, CS ;  Luo, HG ;  Xiang, T
刊名: PHYSICAL REVIEW B
出版日期: 2005
卷号: 71, 期号:14, 页码:-
关键词: MATRIX RENORMALIZATION-GROUP ;  LOW-TEMPERATURE PROPERTIES ;  HEISENBERG FERRIMAGNETS ;  SYSTEMS ;  S=1/2 ;  MODEL
学科分类: Physics
通讯作者: Lu, HT , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
部门归属: Peking Univ, Sch Phys, Beijing 100871, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Interdisciplinary Ctr Theoret Studies, Beijing 100080, Peoples R China; Tsinghua Univ, Ctr Adv Study, Beijing 100084, Peoples R China
英文摘要: Thermodynamic properties of a tetrameric bond-alternating Heisenberg spin chain with ferromagnetic-ferromagnetic-antiferromagnetic-antiferromagnetic exchange interactions are studied using the transfer-matrix renormalization group and compared to experimental measurements. The temperature dependence of the uniform susceptibility exhibits typical ferrimagnetic features. Both the uniform and staggered magnetic susceptibilities diverge in the limit T -> 0, indicating that the ground state has both ferromagnetic and antiferromagnetic long-range orders. A double-peak structure appears in the temperature dependence of the specific heat. Our numerical calculation gives a good account for the temperature and field dependence of the susceptibility, the magnetization, and the specific heat for Cu(3-Clpy)(2)(N(3))(2) (3-Clpy=3-Chloroyridine).
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000228758700064
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13851
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Lu, HT,Su, YH,Sun, LQ,et al. Thermodynamic properties of tetrameric bond-alternating spin chains[J]. PHYSICAL REVIEW B,2005,71(14):-.
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