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Single-mode approximation in a spinor-1 atomic condensate
Yi, S; Mustecaplioglu, OE; Sun, CP; You, L; Yi, S , Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA.
2002
发表期刊PHYSICAL REVIEW A
ISSN1050-2947
卷号66期号:1页码:-
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.
部门归属Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Bose-einstein Condensation Gas Spin-1 States
学科领域Physics
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收录类别SCI
WOS记录号WOS:000177200800009
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被引频次:106[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13488
专题理论物理所1978-2010年知识产出
通讯作者Yi, S , Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA.
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Yi, S,Mustecaplioglu, OE,Sun, CP,et al. Single-mode approximation in a spinor-1 atomic condensate[J]. PHYSICAL REVIEW A,2002,66(1):-.
APA Yi, S,Mustecaplioglu, OE,Sun, CP,You, L,&Yi, S , Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA..(2002).Single-mode approximation in a spinor-1 atomic condensate.PHYSICAL REVIEW A,66(1),-.
MLA Yi, S,et al."Single-mode approximation in a spinor-1 atomic condensate".PHYSICAL REVIEW A 66.1(2002):-.
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