Averaging for solitons with nonlinearity management

被引：92

作者：

Pelinovsky, DE ^{[1
]}

Kevrekidis, PG

Frantzeskakis, DJ

机构：

[1] McMaster Univ, Dept Math, Hamilton, ON L8S 4K1, Canada

[2] Univ Massachusetts, Dept Math & Stat, Amherst, MA 01003 USA

[3] Univ Athens, Dept Phys, Athens 15784, Greece

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.91.240201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We develop an averaging method for solitons of the nonlinear Schrodinger equation with a periodically varying nonlinearity coefficient, which is used to effectively describe solitons in Bose-Einstein condensates, in the context of the recently proposed technique of Feshbach resonance management. Using the derived local averaged equation, we study matter-wave bright and dark solitons and demonstrate a very good agreement between solutions of the averaged and full equations.

引用

页数：4

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