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Beat-wave excitation of plasma waves

Published online by Cambridge University Press:  13 March 2009

J. T. Mendonça
J. T. Mendonça
Affiliation:
Centro de Electrodinâmica, Instituto Superior Técnico, 1096 Lisboa Codex, Portugal
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Abstract

Nonlinear saturation effects associated with the generation of electron plasma waves by two high-frequency electromagnetic waves, beating at a frequency nearly equal to the electron plasma frequency, are studied. A fluid model including collisions, frequency mismatch and relativistic mass variation is used. It is shown that for large-amplitude driving waves a transition to chaos can occur, leading to plasma wave breakdown. The results may be relevant to the beat-wave current drive in tokamak devices and to beat-wave particle accelerators.

Type
Research Article
Information
Journal of Plasma Physics , Volume 34 , Issue 1 , August 1985 , pp. 115 - 126
Copyright
Copyright © Cambridge University Press 1985

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