Breaking of nonlinear cylindrical plasma oscillations

被引：21
|
作者：
Gorbunov, L. M. [1 ]
Frolov, A. A. [2 ]
Chizhonkov, E. V. [3 ]
Andreev, N. E. [2 ]
机构：
[1] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
[2] Russian Acad Sci, Joint Inst High Temp, Moscow 125412, Russia
[3] Moscow MV Lomonosov State Univ, Moscow 119899, Russia
来源：
PLASMA PHYSICS REPORTS | 2010年 / 36卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
WAVE-BREAKING; ACCELERATION; RADIATION;
D O I：
10.1134/S1063780X10040045
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：
Nonlinear axisymmetric cylindrical plasma oscillations are investigated analytically and numerically. It is shown that the breaking of strongly nonlinear oscillations is attributed to a singularity in the electron density and occurs several periods after the onset of an off-axis density maximum. For weakly nonlinear conditions, an analytic dependence of the breaking time of the oscillations on their amplitude is obtained based on the effect of intersection of electron trajectories and is shown to agree with numerical results.
引用
收藏
页码：345 / 356
页数：12
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