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Class of exactly solvable SO(n) symmetric spin chains with matrix product ground states
Tu, Hong-Hao; Zhang, Guang-Ming; Xiang, Tao; Zhang, GM , Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
2008
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号78期号:9页码:-
摘要We introduce a class of exactly solvable SO(n) symmetric Hamiltonians with matrix product ground states. For an odd n >= 3 case, the ground state is a translational invariant Haldane gap spin liquid state; while for an even n >= 4 case, the ground state is a spontaneously dimerized state with twofold degeneracy. In the matrix product ground states for both cases, we identify a hidden antiferromagnetic order, which is characterized by nonlocal string order parameters. The ground-state phase diagram of a generalized SO(n) symmetric bilinear-biquadratic model is discussed.
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Nearest-neighbor Interaction Isotropic Heisenberg Chain Pure Biquadratic Exchange Monte-carlo Calculation Orbital Model Quantum Antiferromagnets Arbitrary Spins Haldane Phase Vertex Models One Dimension
学科领域Physics
资助者NSF of China; National Program for Basic Research of MOST-China ; NSF of China; National Program for Basic Research of MOST-China ; NSF of China; National Program for Basic Research of MOST-China ; NSF of China; National Program for Basic Research of MOST-China
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收录类别SCI
资助者NSF of China; National Program for Basic Research of MOST-China ; NSF of China; National Program for Basic Research of MOST-China ; NSF of China; National Program for Basic Research of MOST-China ; NSF of China; National Program for Basic Research of MOST-China
WOS记录号WOS:000259689700050
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被引频次:57[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/311006/5463
专题理论物理所1978-2010年知识产出
通讯作者Zhang, GM , 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. Class of exactly solvable SO(n) symmetric spin chains with matrix product ground states[J]. PHYSICAL REVIEW B,2008,78(9):-.
APA Tu, Hong-Hao,Zhang, Guang-Ming,Xiang, Tao,&Zhang, GM , Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.(2008).Class of exactly solvable SO(n) symmetric spin chains with matrix product ground states.PHYSICAL REVIEW B,78(9),-.
MLA Tu, Hong-Hao,et al."Class of exactly solvable SO(n) symmetric spin chains with matrix product ground states".PHYSICAL REVIEW B 78.9(2008):-.
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