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A new representation of relativistic wave damping above the electron-cyclotron frequency

Published online by Cambridge University Press:  13 March 2009

G. Granata  and
I. Fidone
G. Granata
Affiliation:
Association Euratom-CEA sur la Fusion, Départment de Recherches sur la Fusion Contrôlée, Centre d'Études Nucléaires de Cadarache, F 13108 Saint Paul lez Durance Cedex, France
I. Fidone
Affiliation:
Association Euratom-CEA sur la Fusion, Départment de Recherches sur la Fusion Contrôlée, Centre d'Études Nucléaires de Cadarache, F 13108 Saint Paul lez Durance Cedex, France
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Abstract

The full relativistic dielectric tensor for a Maxwellian plasma in the electron-cyclotron range of frequencies is investigated. A new representation for arbitrary values of the wave frequency and direction of propagation of the anti-Hermitian part is presented that avoids the standard expansions of the Bessel functions. A compact form of the wave damping for ω ≽ 2ωc is obtained that is useful for the investigation of synchrotron radiation in hot plasmas.

Type
Research Article
Information
Journal of Plasma Physics , Volume 45 , Issue 3 , June 1991 , pp. 361 - 369
Copyright
Copyright © Cambridge University Press 1991

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