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String order and hidden topological symmetry in the SO(2n+1) symmetric matrix product states
Tu, Hong-Hao; Zhang, Guang-Ming; Xiang, Tao; Tu, HH , Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
2008
发表期刊JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
ISSN1751-8113
卷号41期号:41页码:-
摘要We have introduced a class of exactly soluble Hamiltonian with either SO(2n + 1) or SU(2) symmetry, whose ground states are the SO(2n + 1) symmetric matrix product states. The hidden topological order in these states can be fully identified and characterized by a set of nonlocal string order parameters. The Hamiltonian possesses a hidden (Z(2) x Z(2))(n) topological symmetry. The breaking of this hidden symmetry leads to 4(n) degenerate ground states with disentangled edge states in an open chain system. Such matrix product states can be regarded as cluster states, applicable to measurement-based quantum computation.
部门归属[Tu, HH; Zhang, GM] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China; [Xiang, T] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China; [Xiang, T] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
关键词Quantum Spin Chains Haldane Phase Models Antiferromagnets Breaking S=1
学科领域Physics
资助者NSF-China; MOST, China ; NSF-China; MOST, China ; NSF-China; MOST, China ; NSF-China; MOST, China
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收录类别SCI
资助者NSF-China; MOST, China ; NSF-China; MOST, China ; NSF-China; MOST, China ; NSF-China; MOST, China
WOS记录号WOS:000259364200005
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被引频次:29[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5449
专题理论物理所1978-2010年知识产出
通讯作者Tu, HH , Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
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GB/T 7714
Tu, Hong-Hao,Zhang, Guang-Ming,Xiang, Tao,et al. String order and hidden topological symmetry in the SO(2n+1) symmetric matrix product states[J]. JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL,2008,41(41):-.
APA Tu, Hong-Hao,Zhang, Guang-Ming,Xiang, Tao,&Tu, HH , Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.(2008).String order and hidden topological symmetry in the SO(2n+1) symmetric matrix product states.JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL,41(41),-.
MLA Tu, Hong-Hao,et al."String order and hidden topological symmetry in the SO(2n+1) symmetric matrix product states".JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL 41.41(2008):-.
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