阱中稀薄玻色-爱因斯坦凝聚体：特征长度与临界速度
统计力学
2008-02-03 v1
摘要
Bogoliubov近似和Gross-Pitaevskii方程描述了排斥相互作用对球形谐振子阱中稀薄理想玻色-爱因斯坦气体的影响。对于大，相互作用使凝聚体相对于理想玻色气体膨胀；声速和产生量子化涡旋的临界角速度都关键地依赖于通过相干长度体现的粒子间排斥作用。
引用
@article{arxiv.cond-mat/9709207,
title = {Dilute Bose-Einstein Condensate in a Trap: Characteristic Lengths and Critical Velocities},
author = {Alexander L. Fetter},
journal= {arXiv preprint arXiv:cond-mat/9709207},
year = {2008}
}
备注
6 pages, latex, no figures, to appear in Proceedings of Ninth International Conference on Recent Progress in Many Body Theories, Sydney, July, 1997