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Second harmonic plasma emission involving ion sound waves

Published online by Cambridge University Press:  13 March 2009

Iver H. Cairns
Iver H. Cairns
Affiliation:
Department of Physics and Astronomy, University of Iowa, Iowa City, Iowa 52242–1410, USA
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Abstract

The theory for second harmonic plasma emission by the weak turbulence (or random phase) processes L + L ± S→T, proceeding in two three-wave steps, L ± S→L′ and L + L′→T, where L, S and T denote Langmuir. ion sound and electromagnetic waves, respectively, is developed. Kinematic constraints on the characteristics and growth lengths of waves participating in the wave processes, and constraints on the characteristics of the source plasma, are derived. Limits on the brightness temperature of the radiation and the levels of the L′ and S waves are determined. Expressions for the growth rates and path-integrated wave temperatures are derived for simple models of the wave spectra and source plasma.

Type
Research Article
Information
Journal of Plasma Physics , Volume 38 , Issue 2 , October 1987 , pp. 179 - 198
Copyright
Copyright © Cambridge University Press 1987

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References

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