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Resistive Alfvén normal modes in a non-uniform plasma

Published online by Cambridge University Press:  13 March 2009

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

Resistive normal-mode solutions of the MHD equations are found numerically in a smooth, non-uniform, magnetic field. The (α, S) boundary within which normal-mode solutions exist is explicitly computed, where α is the normalized wavenumber and Sthe Lundquist number. As an extension of our previous analytic results (Mok & Einaudi 1985), the damping rate of these modes is computed to a higher accuracy, and is found to have an a + bS−1/3 dependence, where a and b are independent of S.

Type
Research Article
Information
Journal of Plasma Physics , Volume 34 , Issue 2 , October 1985 , pp. 259 - 270
Copyright
Copyright © Cambridge University Press 1985

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