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题名: Topological quantum phase transition in the extended Kitaev spin model
作者: Shi, Xiao-Feng ;  Yu, Yue ;  You, J. Q. ;  Nori, Franco
刊名: PHYSICAL REVIEW B
出版日期: 2009
卷号: 79, 期号:13, 页码:-
关键词: ENTANGLEMENT ;  STATES
学科分类: Physics
通讯作者: Shi, XF , Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
部门归属: [Shi, XF; You, JQ] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China; [Shi, XF; You, JQ] Fudan Univ, Natl Key Lab, Surface Phys Lab, Shanghai 200433, Peoples R China; [Shi, XF; You, JQ; Nori, F] RIKEN, Inst Phys & Chem Res, Adv Sci Inst, Wako, Saitama 3510198, Japan; [Shi, XF; You, JQ; Nori, F] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3320012, Japan; [Yu, Y] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Nori, F] Univ Michigan, Dept Phys, Ctr Theoret Phys, Ctr Study Complex Syst, Ann Arbor, MI 48109 USA
英文摘要: We study the quantum phase transition between Abelian and non-Abelian phases in an extended Kitaev spin model on the honeycomb lattice, where the periodic boundary condition is applied by placing the lattice on a torus. Our analytical results show that this spin model exhibits a continuous quantum phase transition. Also, we reveal the relationship between bipartite entanglement and the ground-state energy. Our approach directly shows that both the entanglement and the ground-state energy can be used to characterize the topological quantum phase transition in the extended Kitaev spin model.
资助者: National Basic Research Program of China[2009CB929300, 2006CB921205]; National Natural Science Foundation of China[10625416]; ISTCP[2008DFA01930]; U.S. National Security Agency; Laboratory for Physical Sciences; U.S. Army Research Office; National Science Foundation[EIA-0130383]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000265942800092
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5347
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Shi, Xiao-Feng,Yu, Yue,You, J. Q.,et al. Topological quantum phase transition in the extended Kitaev spin model[J]. PHYSICAL REVIEW B,2009,79(13):-.
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