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Electron cyclotron absorption for oblique propagation in loss-cone plasmas

Published online by Cambridge University Press:  13 March 2009

L. F. Ziebell
Affiliation:
Instituto de Física, Universidade Federal do Rio Grande do Sul, Caixa Postal 15051, 91500 Porto Alegre, RS, Brasil

Extract

The components of the dielectric tensor for a plasma described by a relativistic loss-cone electron distribution are written in a simple way, which takes full account of relativistic effects, harmonics and Larmor radius, for perpendicular and oblique propagation. For sufficiently oblique propagation and temperatures in the thermonuclear range, a still simpler form of the dielectric tensor is derived. The role of the wave parameters in the absorption is discussed, and some comments are made about the weakly relativistic and non-relativistic approaches. A numerical example is given for both the extraordinary and ordinary modes.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1988

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