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A note on the trapped electron dust grain current

Published online by Cambridge University Press:  01 October 2009

ABDERREZAK BERBRI
Affiliation:
Plasma Physics Group, Theoretical Physics Laboratory, Faculty of Sciences–Physics, University of Bab-Ezzouar, USTHB, B.P. 32, El Alia, Algiers 16111, Algeria (mouloudtribeche@yahoo.fr)
MOULOUD TRIBECHE
Affiliation:
Plasma Physics Group, Theoretical Physics Laboratory, Faculty of Sciences–Physics, University of Bab-Ezzouar, USTHB, B.P. 32, El Alia, Algiers 16111, Algeria (mouloudtribeche@yahoo.fr)
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Abstract

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It is shown that when the non-isothermal trapped electron current is rederived based on the orbit-limited motion theory, the variable dust charge can be expressed in terms of the Lambert function. One can then take advantage of this new transcendental function to illustrate how variable-charge nonlinear trapped dust modes can be investigated semi-analytically.

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Papers
Copyright
Copyright © Cambridge University Press 2009