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
收藏
页码：908 / 917
页数：10
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