Matter solitons in Bose-Einstein condensates with optical lattices

被引：94
|
作者：
Alfimov, GL [1 ]
Konotop, VV
Salerno, M
机构：
[1] FV Lukins Inst Phys Problems Zelenograd, Moscow 103460, Russia
[2] Univ Lisbon, Ctr Fis Mat Condensada, P-1649003 Lisbon, Portugal
[3] Univ Salerno, Dipartimento Fis ER Caianiello, I-84081 Baronissi, SA, Italy
[4] Ist Nazl Fis Mat, Unita Salerno, Salerno, Italy
来源：
EUROPHYSICS LETTERS | 2002年 / 58卷 / 01期
关键词：
D O I：
10.1209/epl/i2002-00599-0
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A diversity of localised solutions of the one-dimensional nonlinear Schrodinger (NLS) equation with a periodic potential is found. Among them are bright and dark solitons and complex coupled solitary waves. These objects have been found by analysing a discrete dynamical system associated with this equation. Direct numerical integrations of the NLS system show that some of these solutions can be dynamically stable. The possibility to observe these solutions in real experiments is also briefly discussed.
引用
收藏
页码：7 / 13
页数：7
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