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Resonant wave–particle interaction at the half-integer cyclotron harmonics

Published online by Cambridge University Press:  13 March 2009

J. P. M. Schmitt  and
Y. Lapierre
J. P. M. Schmitt
Affiliation:
Laboratoire do Physique des Milieux lonisés, Groupe de Recherche du Centre National de la Recherche Scientifique, Ecolo Polytechnique, 91128 Palaiseau, France
Y. Lapierre
Affiliation:
Association EURATOM-Commissariat à l'energie Atomique, Département Plasma et Fusion Contrôlée, Centre d'etudes Nucléaires, 92260, Fontonay-aux-Roses, France
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Abstract

A single particle is subjected to the combined action of a static uniform magnetic field and an electromagnetic wave. The equations of motion are solved using the perturbation method up to second order. In the results, two different types of second-order effects appear: (i) the always present non-resonant effects, resulting in a ponderomotive drift and a nonlinear cyclotron frequency shift, and (ii) the resonant effects appearing at the half-integer harmonics of the gyrofrequency and leading to perpendicular heating and diffusion.

Type
Research Article
Information
Journal of Plasma Physics , Volume 20 , Issue 1 , August 1978 , pp. 95 - 105
Copyright
Copyright © Cambridge University Press 1978

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