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Effect of growth-rate modulation on the nonlinear mode coupling between stable and unstable plasma waves

Published online by Cambridge University Press:  13 March 2009

D. Anderson ,
A. Bondeson  and
L. Falk
D. Anderson
Affiliation:
Institute for Electormagnetic Field Theroy, EURATOM Association (EUR-NE), Chalmers University of Technology, Göteborg, Sweden
A. Bondeson
Affiliation:
Institute for Electormagnetic Field Theroy, EURATOM Association (EUR-NE), Chalmers University of Technology, Göteborg, Sweden
L. Falk
Affiliation:
Institute for Electormagnetic Field Theroy, EURATOM Association (EUR-NE), Chalmers University of Technology, Göteborg, Sweden
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Abstract

An investigation is made of the effect of an external growth-rate modulation on the saturation of a linearly unstable plasma wave by means of nonlinear Landau damping. Different ways of exciting the saturated system by suitable choices of modulation frequency are discussed and the characteristics of the resulting instabilities, like thresholds, growth-rates, maximum amplitudes and final saturation levels are determined.

Type
Research Article
Information
Journal of Plasma Physics , Volume 18 , Issue 2 , October 1977 , pp. 363 - 372
Copyright
Copyright © Cambridge University Press 1977

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References

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