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Liao, HJ; Xie, ZY; Chen, J; Liu, ZY; Xie, HD; Huang, RZ; Normand, B; Xiang, T; Xiang, T (reprint author), Chinese Acad Sci, Inst Phys, POB 603, Beijing 100190, Peoples R China.; Xiang, T (reprint author), Collaborat Innovat Ctr Quantum Matter, Beijing 100190, Peoples R China.
Gapless Spin-Liquid Ground State in the S=1/2 Kagome Antiferromagnet
Source PublicationPHYSICAL REVIEW LETTERS
Language英语
AbstractThe defining problem in frustrated quantum magnetism, the ground state of the nearest-neighbor S = 1/2 antiferromagnetic Heisenberg model on the kagome lattice, has defied all theoretical and numerical methods employed to date. We apply the formalism of tensor-network states, specifically the method of projected entangled simplex states, which combines infinite system size with a correct accounting for multipartite entanglement. By studying the ground-state energy, the finite magnetic order appearing at finite tensor bond dimensions, and the effects of a next-nearest-neighbor coupling, we demonstrate that the ground state is a gapless spin liquid. We discuss the comparison with other numerical studies and the physical interpretation of this result.
2017
Volume118Issue:13Pages:137202
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1103/PhysRevLett.118.137202
Funding OrganizationNational Natural Science Foundation of China [10934008, 10874215, 11174365] ; National Natural Science Foundation of China [10934008, 10874215, 11174365] ; National Natural Science Foundation of China [10934008, 10874215, 11174365] ; National Natural Science Foundation of China [10934008, 10874215, 11174365] ; National Basic Research Program of China [2012CB921704, 2011CB309703] ; National Basic Research Program of China [2012CB921704, 2011CB309703] ; National Basic Research Program of China [2012CB921704, 2011CB309703] ; National Basic Research Program of China [2012CB921704, 2011CB309703] ; Ministry of Science and Technology of China [2016YFA0300503] ; Ministry of Science and Technology of China [2016YFA0300503] ; Ministry of Science and Technology of China [2016YFA0300503] ; Ministry of Science and Technology of China [2016YFA0300503]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22098
CollectionSCI期刊论文
Corresponding AuthorXiang, T (reprint author), Chinese Acad Sci, Inst Phys, POB 603, Beijing 100190, Peoples R China.; Xiang, T (reprint author), Collaborat Innovat Ctr Quantum Matter, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Liao, HJ,Xie, ZY,Chen, J,et al. Gapless Spin-Liquid Ground State in the S=1/2 Kagome Antiferromagnet[J]. PHYSICAL REVIEW LETTERS,2017,118(13):137202.
APA Liao, HJ.,Xie, ZY.,Chen, J.,Liu, ZY.,Xie, HD.,...&Xiang, T .(2017).Gapless Spin-Liquid Ground State in the S=1/2 Kagome Antiferromagnet.PHYSICAL REVIEW LETTERS,118(13),137202.
MLA Liao, HJ,et al."Gapless Spin-Liquid Ground State in the S=1/2 Kagome Antiferromagnet".PHYSICAL REVIEW LETTERS 118.13(2017):137202.
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