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Nonlinear scattering of whistlers by lower hybrid and ion Bernstein modes

Published online by Cambridge University Press:  13 March 2009

M. S. Sodha ,
R. R. Sharma  and
V. K. Tripathi
M. S. Sodha
Affiliation:
Department of Physics, Indian Institute of Technology, New Delhi – 110029, India
R. R. Sharma
Affiliation:
Department of Physics, Indian Institute of Technology, New Delhi – 110029, India
V. K. Tripathi
Affiliation:
Department of Physics and Astronomy, University of Maryland, College Park, Maryland 20742
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Abstract

Following the fluid model for the response of electrons, it is shown that a high-power whistler wave decays efficiently into a lower hybrid or a Bernstein mode and a scattered whistler wave in a homogeneous plasma. The thresholds for these channels of stimulated scattering are generally low. However, the channel of scattering involving lower hybrid waves is possible only for scattering angles exceeding ¼π. The other channel involving Bernstein modes is possible at shorter scattering angles but the growth rate is relatively small and the threshold is high.

Type
Research Article
Information
Journal of Plasma Physics , Volume 23 , Issue 1 , February 1980 , pp. 141 - 146
Copyright
Copyright © Cambridge University Press 1980

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References

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