EFFECT OF NONMONOCHROMATICITY OF PUMP WAVE ON DECAY INSTABILITIES IN A PLASMA.

被引：0
|
作者：
Gorbunov, L.M. [1 ]
Solikhov, D.K. [1 ]
机构：
[1] Acad of Sciences of the USSR, P. N. Lebedev Physics Inst, USSR, Acad of Sciences of the USSR, P. N. Lebedev Physics Inst, USSR
来源：
Radiophysics and quantum electronics | 1985年 / 28卷 / 05期
关键词：
MATHEMATICAL TECHNIQUES - Perturbation Techniques;
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学科分类号：
摘要：
A dispersion equation is derived which permits one to investigate the effect of nonmonochromaticity of a random pump wave on the spectrum of small perturbations in the plasma. It is shown that the threshold increase due to finite spectra width of the pump wave depends on the angle of propagation of the unstable waves. In the field of a quasiplane wave with fixed frequency the threshold change for the high-frequency perturbations is significantly smaller than for the low-frequency perturbations.
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页码：405 / 412
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