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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
Source PublicationJOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
KeywordQuantum Spin Chains Haldane Phase Models Antiferromagnets Breaking S=1
AbstractWe 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
Volume41Issue:41Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNSF-China; MOST, China ; NSF-China; MOST, China ; NSF-China; MOST, China ; NSF-China; MOST, China
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5449
Collection理论物理所科研产出_SCI论文
Corresponding AuthorTu, HH , Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
Recommended Citation
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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