玻色-爱因斯坦凝聚体中偏心涡旋的不稳定性
软凝聚态物质
2009-11-07 v3
摘要
我们对玻色-爱因斯坦凝聚体中偏心涡旋的激发进行了数值研究。考察了单个涡旋的位移以及双量子涡旋的分离。我们发现，涡旋预cessing 的核心局域激发继续具有表明涡旋不稳定的特性。核心局域、偶极子和四极子激发被发现随着涡旋位移和涡旋间距的变化而连续变形。
引用
@article{arxiv.cond-mat/0212528,
title = {Instabilities of off-centered vortices in a Bose-Einstein condensate},
author = {Tomoya Isoshima and Jukka Huhtamäki and Martti M. Salomaa},
journal= {arXiv preprint arXiv:cond-mat/0212528},
year = {2009}
}
备注
8 pages, 9 figures. Introduction and Conclusion are fully revised. Definitions of angular momenta and usage of the time-dependent Bogoliubov Eqs. are newly clarified