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Nonlinear interaction of electrostatic ion-cyclotron and drift waves in plasmas

Published online by Cambridge University Press:  13 March 2009

O. A. Pokhotelov ,
L. Stenflo  and
P. K. Shukla
O. A. Pokhotelov
Affiliation:
Institute of Earth Physics, 123810 Moscow, Russia
L. Stenflo
Affiliation:
Department of Plasma Physics, Umea University, S-90187 Umea, Sweden
P. K. Shukla
Affiliation:
Institut für Theoretische Physik IV, Ruhr-Universität Bochum, D-44780 Bochum, Germany
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Abstract

Model equations describing the nonlinear coupling between electrostatic ion-cyclotron and drift waves are derived, taking into account the action of the low-frequency ponderomotive force associated with the ion-cyclotron waves. It is found that this interaction is governed by a pair of equations, which can be used for studying the modulational instability of a constant amplitude ion-cyclotron wave as well as the dynamics of nonlinearly coupled ion-cyclotron and drift waves.

Type
Research Article
Information
Journal of Plasma Physics , Volume 56 , Issue 1 , August 1996 , pp. 187 - 191
Copyright
Copyright © Cambridge University Press 1996

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