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Resistive decay of Alfvén waves in a non-uniform plasma

Published online by Cambridge University Press:  13 March 2009

Y. Mok  and
G. Einaudi
Y. Mok
Affiliation:
Department of Physics, University of California, Irvine CA, 92717
G. Einaudi
Affiliation:
Department of Physics, University of California, Irvine CA, 92717
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Abstract

The effect of resistive dissipation on the propagation of an MHD disturbance in a non-uniform plasma is examined. The present analysis, based on a boundarylayer technique, shows the existence of resistive normal modes with complex eigenfrequencies. The real part of the eigenfrequency is associated with an oscillatory behaviour and defines the location in space of the layer where resistivity is important. The dissipation mechanism is responsible for the damping of the wave, in contrast with previous works in which the ideal MHD theory was used.

Type
Research Article
Information
Journal of Plasma Physics , Volume 33 , Issue 2 , April 1985 , pp. 199 - 208
Copyright
Copyright © Cambridge University Press 1985

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References

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