The dynamics of ring dark soliton in inhomogeneous Bose-Einstein condensates

被引：0
|
作者：
J.-K. Xue
机构：
[1] Physics and Electronics Engineering College,
[2] Northwest Normal University,undefined
来源：
The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics | 2006年 / 37卷
关键词：
Radiation; Spectroscopy; Neural Network; State Physics; Soliton;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The dynamics of the ring dark soliton in an inhomogeneous Bose-Einstein condensates (BEC) with thin disk-shaped potential trapping is investigated analytically and numerically. Analytical result shows that the ring dark soliton is governed by a variable coefficients Korteweg-de Vries (KdV) equation. The effect of the ring curvature (nonplanar geometry) and the inhomogeneous of the background on soliton amplitude and the emitted radiation profiles are obtained analytically. The theoretical results are confirmed by the direct numerical results.
引用
收藏
页码：241 / 245
页数：4
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