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Stability of ion-acoustic solitons in a multispecies plasma consisting of non-isothermal electrons

Published online by Cambridge University Press:  01 August 1998

DEBALINA CHAKRABORTY  and
K. P. DAS
DEBALINA CHAKRABORTY
Affiliation:
Department of Applied Mathematics, University of Calcutta, 92 Acharya Prafulla Chandra Road, Calcutta 700009, India
K. P. DAS
Affiliation:
Department of Applied Mathematics, University of Calcutta, 92 Acharya Prafulla Chandra Road, Calcutta 700009, India
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Abstract

A modified Kadomtsev–Petviashvili equation is derived for ion-acoustic waves in a multispecies plasma consisting of non-isothermal electrons. This equation is used to investigate the stability of modified KdV solitons against long-wavelength plane-wave perturbation using the small-k perturbation expansion method of Rowlands and Infeld. It is found that modified KdV solitons are stable.

Type
Research Article
Information
Journal of Plasma Physics , Volume 60 , Issue 1 , August 1998 , pp. 151 - 158
Copyright
© 1998 Cambridge University Press

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