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Anomalous Transport in Current Sheets

Published online by Cambridge University Press:  04 August 2017

J. D. Huba*
Affiliation:
Geophysical and Plasma Dynamics Branch, Plasma Physics Division, Naval Research Laboratory Washington, D.C. 20375

Abstract

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A review of several microinstabilities that have been suggested as possible anomalous transport mechanisms in current sheets is presented. The specific application is to a ‘field reversed plasma’ which is relevant to the so-called ‘diffusion region’ of a reconnection process. The linear and nonlinear properties of the modes are discussed, and each mode is assessed as to its importance in reconnection processes based upon these properties. It is concluded that the two most relevant instabilities are the ion acoustic instability and the lower-hybrid-drift instability. However, each instability has limitations as far as reconnection is concerned, and more research is needed in this area.

Type
Session V
Copyright
Copyright © Reidel 1985 

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