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Electron-cyclotron absorption by inhomogeneous current-carrying plasmas

Published online by Cambridge University Press:  13 March 2009

C. J. H. Cavalcanti ,
R. S. Schneider  and
L. F. Ziebell
C. J. H. Cavalcanti
Affiliation:
Instituto de Física, UFRGS, Caixa Postal 15051, 91501–970 Porto Alegre, RS, Brasil
R. S. Schneider
Affiliation:
Instituto de Física, UFRGS, Caixa Postal 15051, 91501–970 Porto Alegre, RS, Brasil
L. F. Ziebell
Affiliation:
Instituto de Física, UFRGS, Caixa Postal 15051, 91501–970 Porto Alegre, RS, Brasil
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Abstract

We consider effects of inhomogeneity on the absorption of high-frequency electromagnetic waves, propagating at arbitrary angles relative to the magnetic field, by current-carrying plasmas. An inhomogeneous current is assumed to be immersed in an otherwise homogeneous background, and the absorption of fundamental electron-cyclotron waves is discussed, with emphasis on the dependence of the inhomogeneity effect on wave frequency and angle of propagation.

Type
Research Article
Information
Journal of Plasma Physics , Volume 52 , Issue 2 , October 1994 , pp. 195 - 214
Copyright
Copyright © Cambridge University Press 1994

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