Mean-field expansion in Bose-Einstein condensates with finite-range interactions

被引：66
|
作者：
Schuetzhold, Ralf [1 ]
Uhlmann, Michael
Xu, Yan
Fischer, Uwe R.
机构：
[1] Tech Univ Dresden, Inst Theoret Phys, D-01062 Dresden, Germany
[2] Univ Tubingen, Inst Theoret Phys, D-72076 Tubingen, Germany
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2006年 / 20卷 / 24期
关键词：
Bose-Einstein condensates; mean-field expansion; large-N limit; quantum depletion; dipole-dipole interaction;
D O I：
10.1142/S0217979206035631
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present a formal derivation of the mean-field expansion for dilute Bose-Einstein condensates with two-particle interaction potentials which are weak and finite-range, but otherwise arbitrary. The expansion allows for a controlled investigation of the impact of microscopic interaction details (e.g. the scaling behavior) on the mean-field approach and the induced higher-order corrections beyond the s-wave scattering approximation.
引用
收藏
页码：3555 / 3565
页数：11
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