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Block-block entanglement and quantum phase transition in the spin-1/2 XX chain
Lou, Ping; Lee, Jin Yong; Lou, P , Anhui Univ, Dept Phys, Hefei 230039, Anhui, Peoples R China
2006
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号74期号:13页码:-
摘要The block-block entanglement in the ground state of spin-1/2 XX chain with three-spin and uniform long-range interactions among the z components of the spins is investigated. Our results show that the block-block entanglement manifests quantum phase transitions. Besides the logarithmic scaling behavior of the block-block entanglement with the block size, that is, S(L)similar to log(2)(L), in phase I region, it is found that there is the power scaling behavior, S(L)similar to L, in the quantum frustration regions. It is also found that the quantum frustration gives rise to an increase of block-block entanglement.
部门归属Anhui Univ, Dept Phys, Hefei 230039, Anhui, Peoples R China; Sungkyunkwan Univ, Dept Chem, Suwon 440746, South Korea; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Interdisciplinary Ctr Theoret Studies, Beijing 100080, Peoples R China
学科领域Physics
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收录类别SCI
WOS记录号WOS:000241723200053
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5890
专题理论物理所1978-2010年知识产出
通讯作者Lou, P , Anhui Univ, Dept Phys, Hefei 230039, Anhui, Peoples R China
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Lou, Ping,Lee, Jin Yong,Lou, P , Anhui Univ, Dept Phys, Hefei 230039, Anhui, Peoples R China. Block-block entanglement and quantum phase transition in the spin-1/2 XX chain[J]. PHYSICAL REVIEW B,2006,74(13):-.
APA Lou, Ping,Lee, Jin Yong,&Lou, P , Anhui Univ, Dept Phys, Hefei 230039, Anhui, Peoples R China.(2006).Block-block entanglement and quantum phase transition in the spin-1/2 XX chain.PHYSICAL REVIEW B,74(13),-.
MLA Lou, Ping,et al."Block-block entanglement and quantum phase transition in the spin-1/2 XX chain".PHYSICAL REVIEW B 74.13(2006):-.
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