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题名: Single-mode approximation in a spinor-1 atomic condensate
作者: Yi, S ;  Mustecaplioglu, OE ;  Sun, CP ;  You, L
刊名: PHYSICAL REVIEW A
出版日期: 2002
卷号: 66, 期号:1, 页码:-
关键词: BOSE-EINSTEIN CONDENSATION ;  GAS ;  SPIN-1 ;  STATES
学科分类: Physics
通讯作者: Yi, S , Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA.
部门归属: Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We investigate the validity conditions of the single-mode approximation (SMA) in a spinor-1 atomic condensate when effects due to residual magnetic fields are negligible. For atomic interactions of the ferromagnetic type, the SMA is shown to be exact, with a mode function different from what is commonly used. However, the quantitative deviation is small under current experimental conditions (for (87)Rb atoms). For antiferromagnetic interactions, we find that the SMA becomes invalid in general. The differences among the mean-field mode functions for the three spin components are shown to depend strongly on the system magnetization. Our results can be important for studies of beyond mean-field quantum correlations, such as fragmentation, spin squeezing, and multipartite entanglement.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000177200800009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13488
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:
Yi, S,Mustecaplioglu, OE,Sun, CP,et al. Single-mode approximation in a spinor-1 atomic condensate[J]. PHYSICAL REVIEW A,2002,66(1):-.
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