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Liang, L; Wang, ZQ; Yu, Y; Liang, L (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
Distinct-symmetry spin-liquid states and phase diagram of the Kitaev-Hubbard model
Source PublicationPHYSICAL REVIEW B
Language英语
KeywordGround-state Antiferromagnet Superconductivity Physics Lattice Anyons
AbstractWe report the finding of a series of distinct-symmetry spin-liquid (SL) states and a rich phase diagram in a half-filled honeycomb lattice Hubbard model with spin-dependent hopping amplitude t'. We first study the magnetic instability of the system and find two antiferromagnetic orders beyond a critical Hubbard U which increases with the ratio t'/t. For t' approaching t, the semimetal transforms to a U(1) SL and then to the Kitaev Z(2) SL as U increases. In a wide middle range of t'/t, the latter is replaced by a U(1) SL to SU(2) SL transition. The physical properties of the stable SL phases are discussed.
2014
ISSN1098-0121
Volume90Issue:7Pages:75119
Subject AreaPhysics
DOI10.1103/PhysRevB.90.075119
Indexed BySCI
Funding Organization973 program of MOST of China [2012CB821402]; NNSF of China [11174298, 11121403]; DOE [DE-FG02-99ER45747]; NSF [DMR-0704545] ; 973 program of MOST of China [2012CB821402]; NNSF of China [11174298, 11121403]; DOE [DE-FG02-99ER45747]; NSF [DMR-0704545] ; 973 program of MOST of China [2012CB821402]; NNSF of China [11174298, 11121403]; DOE [DE-FG02-99ER45747]; NSF [DMR-0704545] ; 973 program of MOST of China [2012CB821402]; NNSF of China [11174298, 11121403]; DOE [DE-FG02-99ER45747]; NSF [DMR-0704545]
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Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15683
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorLiang, L (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Liang, L,Wang, ZQ,Yu, Y,et al. Distinct-symmetry spin-liquid states and phase diagram of the Kitaev-Hubbard model[J]. PHYSICAL REVIEW B,2014,90(7):75119.
APA Liang, L,Wang, ZQ,Yu, Y,&Liang, L .(2014).Distinct-symmetry spin-liquid states and phase diagram of the Kitaev-Hubbard model.PHYSICAL REVIEW B,90(7),75119.
MLA Liang, L,et al."Distinct-symmetry spin-liquid states and phase diagram of the Kitaev-Hubbard model".PHYSICAL REVIEW B 90.7(2014):75119.
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