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题名: Three-body interactions on a triangular lattice
作者: Zhang, XF ;  Wen, YC ;  Yu, Y
刊名: PHYSICAL REVIEW B
出版日期: 2011
卷号: 83, 期号:18, 页码:184513
关键词: POLAR-MOLECULES ;  TOOLBOX
学科分类: Physics
通讯作者: Zhang, XF (reprint author), Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
部门归属: [Zhang, Xue-Feng; Yu, Yue] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Zhang, Xue-Feng] Univ Kaiserslautern, Dept Phys, D-67663 Kaiserslautern, Germany; [Zhang, Xue-Feng] Univ Kaiserslautern, Res Ctr OPTIMAS, D-67663 Kaiserslautern, Germany; [Wen, Yu-Chuan] Capital Normal Univ, Dept Phys, Ctr Theoret Phys, Beijing 100048, Peoples R China
英文摘要: We analyze the hard-core Bose-Hubbard model with both three-body and nearest-neighbor repulsions on a triangular lattice. The phase diagram is achieved by means of the semiclassical approximation and a quantum Monte Carlo simulation. For a system with only three-body interactions, both the supersolid phase and the one-third solid disappear while the two-thirds solid is stable. As the thermal behavior of the bosons with nearest-neighbor repulsion, the solid and the superfluid undergo the three-state Potts-and Kosterlitz-Thouless-type phase transitions, respectively. In a system with both frustrated nearest-neighbor two-body and three-body interactions, the supersolid and one-third solid are revived. By tuning the strength of the three-body interactions, the phase diagram is distorted because the one-third solid and the supersolid are suppressed.
资助者: National Natural Science Foundation of China [10904096]; MOST of China; Key Lab of Frontiers in Theoretical Physics of CAS; Natural Science Foundation of Beijing [1092009]; DAAD; DFG via the Research Center Transregio [49]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000290759000007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14351
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Zhang, XF,Wen, YC,Yu, Y. Three-body interactions on a triangular lattice[J]. PHYSICAL REVIEW B,2011,83(18):184513.
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