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Nonlinear theory of a whistler wave

Published online by Cambridge University Press:  13 March 2009

Takashi Yamamoto
Takashi Yamamoto
Affiliation:
Geophysics Research Laboratory, University of Tokyo, Tokyo 113
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Abstract

Using the Dupree—Weinstock perturbed-orbit model of plasma turbulence, we obtain the diffusion equation describing the evolution of the average one-particle distribution function for whistler mode turbulence. The numerical result for electron pitch-angle diffusion within this scheme leads us to conclude that the effect of the resonance broadening due to perturbed orbits on the pitch-angle diffusion coefficient is not large compared with that evaluated by the unperturbed orbit in the whistler mode spectrum with a finite width. Based on the explicitly evaluated resonance function, the effects of this broadening on the growth rate for the whistler wave are also discussed.

Type
Research Article
Information
Journal of Plasma Physics , Volume 14 , Issue 3 , December 1975 , pp. 543 - 549
Copyright
Copyright © Cambridge University Press 1975

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References

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