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Parametric excitation of surface waves in a strongly inhomogeneous plasma

Published online by Cambridge University Press:  13 March 2009

G. Brodin  and
J. Lundberg
G. Brodin
Affiliation:
Department of Plasma Physics, Umeå University, S-901 87 Umeå, Sweden
J. Lundberg
Affiliation:
Department of Plasma Physics, Umeå University, S-901 87 Umeå, Sweden
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Abstract

The parametric excitation of surface waves in a warm inhomogeneous plasma is investigated. It is demonstrated that the coupling between the surface wave and plasmons that can be excited in the transition layer must be taken into account. The growth rate and the threshold value for the instability process are calculated. It is also shown that thermal effects are of importance even for very low temperatures, since the plasmons can now propagate out of the resonance region.

Type
Research Article
Information
Journal of Plasma Physics , Volume 46 , Issue 2 , October 1991 , pp. 299 - 307
Copyright
Copyright © Cambridge University Press 1991

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