RING DARK SOLITONS

被引：91

作者：

KIVSHAR, YS ^{[2
]}

YANG, XP

机构：

[1] AUSTRALIAN NATL UNIV,CTR LASER PHYS,CANBERRA,ACT 0200,AUSTRALIA

[2] AUSTRALIAN NATL UNIV,CTR OPT SCI,CANBERRA,ACT 2000,AUSTRALIA

来源：

PHYSICAL REVIEW E | 1994年 / 50卷 / 01期

关键词：

D O I：

10.1103/PhysRevE.50.R40

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：

Self-defocusing nonlinear media can support dark solitary waves with ring symmetry that are robust but slowly change their parameters. This alternative type of optical dark soliton is investigated numerically and analytically, and it is shown that in the small-amplitude limit such solitons are described by the so-called cylindrical Korteweg-de Vries equation known, e.g., from plasma physics. Ring dark solitons may coexist with other types of dark solitons, displaying almost an elastic interaction.

引用

页码：R40 / R43

页数：4

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