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题名: Tuning into the Kitaev spin liquid phase: A spin model on the honeycomb lattice with two types of Heisenberg exchange couplings
作者: Yu, Y ;  Liang, L ;  Niu, Q ;  Qin, SJ
刊名: PHYSICAL REVIEW B
出版日期: 2013
卷号: 87, 期号:4, 页码:41107
关键词: ANYONS
学科分类: Physics
通讯作者: Yu, Y (reprint author), Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China.
部门归属: [Yu, Yue] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China; [Yu, Yue] Fudan Univ, Ctr Field Theory & Particle Phys, Shanghai 200433, Peoples R China; [Yu, Yue; Qin, Shaojing] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Liang, Long] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Niu, Qian] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA; [Niu, Qian] Peking Univ, Int Ctr Quantum Mat, Beijing 100871, Peoples R China
英文摘要: We study a spin model on honeycomb lattice with two types of Heisenberg exchange couplings, J and (J) over tilde, where J is for the conventional spin and (J) over tilde is for rotated spin. When J = 0, the system is either in a stripy antiferromagnetic order ((J) over tilde < 0, ferromagnetic for rotated spin) or a zigzag antiferromagnetic order (<(J)over tilde> > 0, antiferromagnetic for rotated spin). The competition between two ferromagnetic orders or between two antiferromagnetic orders induces Kitaev's spin liquid phase, characterized by the exactly solvable Kitaev model (J = (J) over tilde). Our model can be applied to layered Mott insulators A(2)IrO(3) (A = Li, Na). For a monolayer of Li2IrO3, we show that it is possible to tune the controlling parameter into the Kitaev spin liquid regime by a link-dependent Rashba spin-orbital coupling. DOI: 10.1103/PhysRevB.87.041107
资助者: 973 Program of MOST of China [2012CB821402, 2009CB929101]; NNSF of China; DOE of USA [DE-FG03-02ER45958]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000314225900001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15430
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Yu, Y,Liang, L,Niu, Q,et al. Tuning into the Kitaev spin liquid phase: A spin model on the honeycomb lattice with two types of Heisenberg exchange couplings[J]. PHYSICAL REVIEW B,2013,87(4):41107.
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