Effects of transverse trapping on the ground state of a cigar-shaped two-component Bose-Einstein condensate

We derive the coupled nonpolynomial nonlinear Schr6dinger equations for a two-component Bose-Lmstem conaensate in a quasi-one-dimension geometry and investigate the effects of a tightly transverse trapping on the ground state and the miscibility-immiscibility threshold. We find that the density prof...

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Bibliographic Details
Published inChinese physics B Vol. 22; no. 9; pp. 534 - 538
Main Author 崔国栋 孙剑芳 姜伯楠 钱军 王育竹
Format Journal Article
LanguageEnglish
Published 01.09.2013
Subjects
Bose-Einstein condensates
Density
Ground state
Joining
Nonlinearity
Schroedinger equation
Strength
Thresholds
Trapping
凝聚体
双组分
基态
爱因斯坦
玻色
耦合强度
诱捕
雪茄
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ISSN1674-1056
2058-3834
1741-4199
DOI10.1088/1674-1056/22/9/096701

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Summary:We derive the coupled nonpolynomial nonlinear Schr6dinger equations for a two-component Bose-Lmstem conaensate in a quasi-one-dimension geometry and investigate the effects of a tightly transverse trapping on the ground state and the miscibility-immiscibility threshold. We find that the density profile of the matter wavepacket is remarkably dependent on the transverse width and the effective one-dimension nonlinear coupling strengths in miscible and immiscible regimes.
Bibliography:Boson mixtures, trapped gases, static properties of condensates, transverse trapping
Cui Guo-Dong, SuI1 Jian-Fang, Jiang Bo-Nan, Qian Jun, and Wang Yu-Zhu（ a） Key Laboratory for Quantum Optics, Center for Cold Atoms, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China b） University of Chinese Academy of Sciences, Beijing 100049, China
11-5639/O4
We derive the coupled nonpolynomial nonlinear Schr6dinger equations for a two-component Bose-Lmstem conaensate in a quasi-one-dimension geometry and investigate the effects of a tightly transverse trapping on the ground state and the miscibility-immiscibility threshold. We find that the density profile of the matter wavepacket is remarkably dependent on the transverse width and the effective one-dimension nonlinear coupling strengths in miscible and immiscible regimes.
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ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/22/9/096701