Expansion of Bose-Einstein condensates confined in quasi-one-dimensional or quasi-two-dimensional traps

被引：15

作者：

Kamchatnov, AM ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Spect, Troitsk 142190, Moscow Oblast, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2004年 / 98卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/1.1767557

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Solutions to the Gross-Pitaevskii equations are obtained in the hydrodynamic approximation for a repulsive Bose gas that expands after a quasi-one-dimensional or quasi-two-dimensional trap is removed. The results are expressed in terms of measurable parameters, such as the initial condensate size and the oscillation frequencies of trapped particles. Three-dimensional effects are calculated by a variational method. The analytical results are in good agreement with available experimental data. (C) 2004 MAIK "Nauka/Interperiodica".

引用

页码：908 / 917

页数：10

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