Dissipationless shock waves in Bose-Einstein condensates with repulsive interaction between atoms

被引：83

作者：

Kamchatnov, AM ^{[1
]}

Gammal, A

Kraenkel, RA

机构：

[1] Russian Acad Sci, Inst Spect, Troitsk 142190, Moscow Region, Russia

[2] Univ Estadual Paulista, Inst Fis Teor, BR-01405900 Sao Paulo, Brazil

[3] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil

来源：

PHYSICAL REVIEW A | 2004年 / 69卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.69.063605

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We consider formation of dissipationless shock waves in Bose-Einstein condensates with repulsive interaction between atoms. It is shown that for big enough initial inhomogeneity of density, interplay of nonlinear and dispersion effects leads to wave breaking phenomenon followed by generation of a train of dark solitons. Analytical theory is confirmed by numerical simulations.

引用

页码：063605 / 1

页数：4

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