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Nonlinear decay of a propagating lower-hybrid wave in a plasma

Published online by Cambridge University Press:  13 March 2009

P. K. Shukla  and
M. A. Mamedow
P. K. Shukla
Affiliation:
Institut für Theroretische Physik, Ruthr-Universität Bochum, 4630 Bochum, F. R. Germany
M. A. Mamedow
Affiliation:
Institut für Theroretische Physik, Ruthr-Universität Bochum, 4630 Bochum, F. R. Germany
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Abstract

This paper studies the nonlinear coupling between a large amplitude propagating lower-hybrid wave and two electromagnetic waves in a plasma. Using a two-fluid model and Vlasov and Maxwell's equations, we derive a dispersion relation governing this three-wave interaction process. It is shown that a finite wavenumber lower-hybrid pump can decay into a whistler and a kinetic Alfvén wave. Calculations of the threshold condition suggest that this decay process may occur both in the laboratory and in the ionosphere.

Type
Research Article
Information
Journal of Plasma Physics , Volume 19 , Issue 1 , February 1978 , pp. 87 - 96
Copyright
Copyright © Cambridge University Press 1978

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References

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