Dark and bright shock waves on oscillating backgrounds in a discrete nonlinear Schrodinger equation

被引：15

作者：

Konotop, VV ^{[1
]}

Salerno, M ^{[1
]}

机构：

[1] UNIV SALERNO,DEPT THEORET PHYS,I-84100 SALERNO,ITALY

来源：

PHYSICAL REVIEW E | 1997年 / 56卷 / 03期

关键词：

D O I：

10.1103/PhysRevE.56.3611

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：

Dark and bright shock waves on top of arbitrary oscillating backgrounds are investigated in a discrete version of the nonlinear Schrodinger equation. The existence of analytical curves in the parameter space corresponding to shock wave formation is established for arbitrary wave numbers k of the background radiation. The analysis is based on the small-amplitude approximation and is confirmed by direct numerical integrations of the system.

引用

页码：3611 / 3618

页数：8

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