Wide localized solitons in systems with time- and space-modulated nonlinearities

被引:9
作者
Arroyo Meza, L. E. [1 ]
de Souza Dutra, A. [1 ]
Hott, M. B. [1 ]
机构
[1] Univ Estadual Paulista, Dept Fis & Quim, BR-12516410 Sao Paulo, Brazil
来源
PHYSICAL REVIEW E | 2012年 / 86卷 / 02期
关键词
DARK SOLITONS; DOMAIN-WALL; EINSTEIN; WAVES;
D O I
10.1103/PhysRevE.86.026605
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
In this work we apply point canonical transformations to solve some classes of nonautonomous, nonlinear Schrodinger equations, namely, those which possess specific cubic and quintic (time- and space-dependent) nonlinearities. In this way we generalize some procedures recently published which resort to an ansatz to the wave function and recover a time- and space-independent nonlinear equation which can be solved explicitly. The method applied here allows us to find wide localized (in space) soliton solutions to the nonautonomous, nonlinear Schrodinger equation. We also generalize the external potential which traps the system and the terms of the nonlinearities.
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页数:8
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