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题名: Quantum Hall effects in fast-rotating Fermi gases with anisotropic dipolar interaction
作者: Qiu, RZ ;  Kou, SP ;  Hu, ZX ;  Wan, X ;  Yi, S
刊名: PHYSICAL REVIEW A
出版日期: 2011
卷号: 83, 期号:6, 页码:63633
关键词: STRONG MAGNETIC-FIELD ;  ELECTRONS ;  DOTS
学科分类: Physics
通讯作者: Qiu, RZ (reprint author), Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Qiu, R. -Z.; Yi, S.] Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China; [Kou, Su-Peng] Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China; [Hu, Z. -X.] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA; [Wan, Xin] Zhejiang Univ, Zhejiang Inst Modern Phys, Hangzhou 310027, Zhejiang, Peoples R China
英文摘要: We investigate fast rotating quasi-two-dimensional dipolar Fermi gases in the quantum Hall regime. By tuning the direction of the dipole moments with respect to the z axis, the dipole-dipole interaction becomes anisotropic in the x-y plane. For a soft confining potential we find that, as we tilt the angle of the dipole moments, the system evolves from v = 1/3 Laughlin state with dipoles being polarized along the z axis to a series of ground states characterized by distinct mean total angular momentum, and finally to an anisotropic integer quantum Hall state. During the transition from the fractional regime to the integer regime, we find that the density profile of the system exhibits crystal-like structures. We map out the ground states as a function of the tilt angle and the confining potential, revealing the competition of the isotropic confining potential and both the isotropic and anisotropic components of the dipole-dipole interaction.
资助者: NSFC [11025421, 10935010, 10874017, 10974209]; Chinese Academy of Sciences; US DOE [DE-SC0002140]; 973 Program [2009CB929100, 2011CB921803]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000292182100008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14328
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Qiu, RZ,Kou, SP,Hu, ZX,et al. Quantum Hall effects in fast-rotating Fermi gases with anisotropic dipolar interaction[J]. PHYSICAL REVIEW A,2011,83(6):63633.
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