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Nonlinear magnetic electron drift waves in magnetized plasmas

Published online by Cambridge University Press:  13 March 2009

G. Murtaza ,
P. K. Shukla ,
M. Y. Yu  and
L. Stenflo
G. Murtaza
Affiliation:
Institut für Theoretische Physik, Fakultät für Physik und Astronomie, Ruhr-Universität Bochum, D-4630 Bochum 1, Federal Republic of Germany
P. K. Shukla
Affiliation:
Institut für Theoretische Physik, Fakultät für Physik und Astronomie, Ruhr-Universität Bochum, D-4630 Bochum 1, Federal Republic of Germany
M. Y. Yu
Affiliation:
Institut für Theoretische Physik, Fakultät für Physik und Astronomie, Ruhr-Universität Bochum, D-4630 Bochum 1, Federal Republic of Germany
L. Stenflo
Affiliation:
Department of Plasma Physics, Umeå University, S-90187 Umeå, Sweden
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Abstract

This paper presents a derivation of the nonlinear equations governing the space–time evolution of magnetic electron drift waves in an inhomogeneous magnetoplasma. The equilibrium electron pressure gradient is maintained by the gradient of an external magnetic field. An oscillatory instability is shown to arise. The existence of magnetic electron drift vortices is discussed and the limitation on the vortex speed due to the external magnetic field is pointed out.

Type
Research Article
Information
Journal of Plasma Physics , Volume 41 , Issue 2 , April 1989 , pp. 257 - 262
Copyright
Copyright © Cambridge University Press 1989

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References

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