EXTENDED MODULATIONAL INSTABILITY AND NEW-TYPE OF SOLITARY WAVE IN COUPLED NONLINEAR SCHRODINGER-EQUATIONS

被引：21

作者：

HAELTERMAN, M

SHEPPARD, AP

机构：

[1] Optical Sciences Centre, Australian National University, Canberra

来源：

PHYSICS LETTERS A | 1994年 / 185卷 / 03期

关键词：

D O I：

10.1016/0375-9601(94)90614-9

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate the dynamics of the incoherently coupled nonlinear Schrodinger equations describing the propagation of two waves interacting through a third order nonlinearity. We show that the phenomenon of extended modulational instability induced by incoherent coupling is associated with the existence of a new type of solitary wave. This solitary wave consists of a bound state of two interacting semi-infinite symmetric kink waves.

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页码：265 / 272

页数：8

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