TRANSIENT EVOLUTION OF LOCALIZED ION-ACOUSTIC-WAVES IN PLASMAS

被引：7
|
作者：
LEON, J
机构：
[1] Département de Physique Mathématique, Université Montpellier II
来源：
PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 12期
关键词：
D O I：
10.1103/PhysRevLett.66.1587
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We derive an integrable model of coupled equations for the description of the transient evolution of small-amplitude ion acoustic waves interacting with the electromagnetic waves. We obtain then a universal behavior of the acoustic wave driven by a strong ponderomotive force: The asymptotic solution consists of two supersonic localized singular coherent structures following a sonic wave front and asymptotically colliding at the sound speed. The reflected electromagnetic wave presents singularities in the same regions as the acoustic wave.
引用
收藏
页码：1587 / 1590
页数：4
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