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Tu, Hong-Hao; Zhang, Guang-Ming; Xiang, Tao; Tu, HH , Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
String order and hidden topological symmetry in the SO(2n+1) symmetric matrix product states
发表期刊JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
关键词Quantum Spin Chains Haldane Phase Models Antiferromagnets Breaking S=1
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.
2008
ISSN1751-8113
卷号41期号:41页码:-
学科领域Physics
收录类别SCI
项目资助者NSF-China; MOST, China ; NSF-China; MOST, China ; NSF-China; MOST, China ; NSF-China; MOST, China
引用统计
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
专题理论物理所科研产出_SCI论文
通讯作者Tu, HH , Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
推荐引用方式
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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