Effect of interaction strength on gap solitons of Bose-Einstein condensates in optical lattices

被引：8

作者：

Yang Ru-Shu ^{[1
]}

Yang Jiang-He ^{[1
]}

机构：

[1] Hunan Univ Arts & Sci, Dept Elect Engn, Changde 415000, Peoples R China

来源：

CHINESE PHYSICS B | 2008年 / 17卷 / 04期

关键词：

Bose-Einstein condensates; solitons; optical lattices;

D O I：

10.1088/1674-1056/17/4/007

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have developed a systematic analytical approach to the study on the dynamic properties of the linear and the nonlinear excitations for quasi-one-dimensional Bose-Einstein condensate trapped in optical lattices. A novel linear dispersion relation and an algebraic soliton solution of the condensate are derived analytically under consideration of Bose-Einstein condensate with a periodic potential. By analysing the soliton solution, we find that the interatomic interaction strength has an important effect on soliton dynamic properties of Bose-Einstein condensate.

引用

页码：1189 / 1195

页数：7

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