Ponderomotive acceleration of electrons by a whistler pulse

被引：0
|
作者：
R. Singh
A. K. Sharma
机构：
[1] Indian Institute of Technology Delhi,Center for Energy Studies
来源：
Applied Physics B | 2010年 / 100卷
关键词：
Group Velocity; Cyclotron Frequency; Runaway Electron; Electron Acceleration; Ponderomotive Force;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A Gaussian whistler pulse is shown to cause ponderomotive acceleration of electrons in a plasma when the peak whistler amplitude exceeds a threshold value and the whistler frequency is greater than half the cyclotron frequency, ω>ωc/2. The threshold amplitude decreases with the ratio of plasma frequency to electron cyclotron frequency, ωp/ωc. However, above the threshold amplitude, the acceleration energy decreases with ωp/ωc. The electrons gain velocities about twice the group velocity of the whistler.
引用
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页码：535 / 538
页数：3
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