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Amplitude modulation of whistlers by modified ion-cyclotron perturbations in plasmas

Published online by Cambridge University Press:  07 December 2005

P. K. SHUKLA ,
L. STENFLO  and
B. ELIASSON
P. K. SHUKLA
Affiliation:
Department of Physics, Umeå University, SE-90187 Umeå, Sweden (bengt@tp4.ruhr-uni-bochum.de)
L. STENFLO
Affiliation:
Department of Physics, Umeå University, SE-90187 Umeå, Sweden (bengt@tp4.ruhr-uni-bochum.de)
B. ELIASSON
Affiliation:
Department of Physics, Umeå University, SE-90187 Umeå, Sweden (bengt@tp4.ruhr-uni-bochum.de)
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Abstract

The nonlinear interaction between a large-amplitude whistler pump and the modified ion-cyclotron perturbations is studied. A nonlinear dispersion relation for the modulation/filamentation interaction is derived and solved numerically to investigate the instability properties. We discuss the relevance of the present study with regard to recent laboratory experiments where the modulation/filamentation of a whistler pump by the modified ion-cyclotron waves has been observed.

Type
Letter to the Editor
Information
Journal of Plasma Physics , Volume 72 , Issue 2 , April 2006 , pp. 149 - 152
Copyright
2005 Cambridge University Press

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