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题名: String order and hidden topological symmetry in the SO(2n+1) symmetric matrix product states
作者: Tu, Hong-Hao ;  Zhang, Guang-Ming ;  Xiang, Tao
刊名: JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
出版日期: 2008
卷号: 41, 期号:41, 页码:-
关键词: QUANTUM SPIN CHAINS ;  HALDANE PHASE ;  MODELS ;  ANTIFERROMAGNETS ;  BREAKING ;  S=1
学科分类: Physics
通讯作者: Tu, HH , Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
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
英文摘要: 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.
资助者: NSF-China; MOST, China
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000259364200005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5449
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:
Tu, Hong-Hao,Zhang, Guang-Ming,Xiang, Tao. 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):-.
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