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A note on the trapped electron dust grain current

Published online by Cambridge University Press:  01 October 2009

ABDERREZAK BERBRI  and
MOULOUD TRIBECHE
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 ([email protected])
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 ([email protected])
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Abstract

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.

Type
Papers
Information
Journal of Plasma Physics , Volume 75 , Issue 5 , October 2009 , pp. 587 - 591
Copyright
Copyright © Cambridge University Press 2009

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