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题名: Weak mid-gap spin susceptibility anomaly of LiVGe2O6 with nonmagnetic impurities
作者: Liu, YC ;  Sun, LQ ;  Inoue, H ;  Qin, SJ
刊名: PHYSICAL REVIEW B
出版日期: 2001
卷号: 63, 期号:13, 页码:-
关键词: MATRIX RENORMALIZATION-GROUP ;  BOND GROUND-STATES ;  HALDANE-GAP ;  HEISENBERG-ANTIFERROMAGNET ;  PEIERLS TRANSITION ;  CHAIN ;  SYSTEM ;  DYNAMICS ;  MODELS
学科分类: Physics
通讯作者: Liu, YC , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Kyushu Univ, Dept Phys, Higashi Ku, Fukuoka 8128581, Japan
英文摘要: The magnetic susceptibility of mid-gap states of the one-dimensional gapped S = 1 Heisenberg model is calculated in this paper. These mid-gap states are generated by nonmagnetic impurity bonds introduced by crystal defects, such as dislocations, stack faults, etc. Using the relation between the gap magnitude of the mid-gap state and the strength of the impurity bond, we explain the weak mid-gap spin susceptibility anomaly in the experimental data of LiVGe2O6. We find that the position of the weak anomaly is well explained by assuming that it comes from nonmagnetic defects. Our explanation shows that the weak anomaly will be weaker if there are fewer crystal defects and nonmagnetic impurities.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000167895000078
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12789
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:
Liu, YC,Sun, LQ,Inoue, H,et al. Weak mid-gap spin susceptibility anomaly of LiVGe2O6 with nonmagnetic impurities[J]. PHYSICAL REVIEW B,2001,63(13):-.
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