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题名: Short-range coherence of a lattice Bose-atom gas in the Mott insulating phase
作者: Yue, Y
刊名: PHYSICAL REVIEW A
出版日期: 2005
卷号: 72, 期号:5, 页码:-
关键词: OPTICAL LATTICES ;  ULTRACOLD ATOMS ;  HUBBARD MODEL ;  SUPERFLUID ;  TRANSITION ;  SYSTEMS ;  DIAGRAM
学科分类: Physics
通讯作者: Yue, Y , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We study the short-range coherence of ultracold lattice Bose gases in the Mott insulating phase. We calculate the visibility of the interference pattern and the results agree quantitatively with the recent experimental measurement [Phys. Rev. Lett. 95, 050404 (2005)]. The visibility deviation from the inversely linear dependence on the bare on-site interaction U-0 is explained both in smaller and larger U-0. For a smaller U-0, it comes from a second order correction. For a larger U-0, except the breakdown of adiabaticity as analyzed by Gerbier , there might be another source to cause this deviation, which is the diversity between U-0 determined by the single atom Wannier function and the effective on site interaction U-eff for a multioccupation per site.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000233603400162
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13729
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Yue, Y. Short-range coherence of a lattice Bose-atom gas in the Mott insulating phase[J]. PHYSICAL REVIEW A,2005,72(5):-.
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