Modulational behavior of electromagnetic waves in ultra-relativistic electron-positron plasmas

被引：0
|
作者：
Y. Liu
S. Q. Liu
B. Dai
机构：
[1] Nantong University,School of Sciences
[2] Nanchang University,School of Sciences
来源：
Astrophysics and Space Science | 2013年 / 346卷
关键词：
Modulational instability; Electromagnetic wave; Electron-positron plasma; Collapse;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The dynamical properties of electromagnetic (EM) waves in ultra-relativistic electron-positron (EP) plasmas are analytically investigated on the basis of the nonlinear governing equations obtained from a kinetic way. It is shown that the EM wave envelope will collapse and be trapped into a localized region for the modulation interaction with low frequency density variation induced by ponderomotive force. The correlation between the localized strong wave field and the pulsar radio emission is discussed.
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页码：149 / 153
页数：4
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