Evolution of a dark soliton in a parabolic potential: Application to Bose-Einstein condensates

被引：47

作者：

Brazhnyi, VA ^{[1
]}

Konotop, VV ^{[1
]}

机构：

[1] Univ Lisbon, Ctr Fis Teor & Computac, P-1649003 Lisbon, Portugal

来源：

PHYSICAL REVIEW A | 2003年 / 68卷 / 04期

关键词：

D O I：

10.1103/PhysRevA.68.043613

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Evolution of a dark soliton in a one-dimensional Bose-Einstein condensate trapped by a harmonic potential is studied analytically and numerically. In the case of a deep soliton, main characteristics of its motion such as frequency and amplitude of oscillations are calculated by means of the perturbation theory which in the leading order results in a Newtonian dynamics, corrections to which are computed as well.

引用

页数：10

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