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IJPAP Vol.44(01) [January 2006] >


Title: Propagation of soliton and its radiation in inhomogeneous discharge plasma
Authors: Das, G C
Devi, Karabi
Keywords: K-dV solitons
Inhomogeneous plasma
Sine-cosine method
Soliton radiation
Issue Date: Jan-2006
Publisher: CSIR
IPC CodeH05H
Abstract: The salient features of soliton dynamics generated with the interaction of negative ions in inhomogeneous plasma has been studied through the derivation of modified Korteweg-de Vries (mK-dV) equation. Because of the complexity of plasma non-linear wave equation, the usual steady state method found to face difficulty to yield the soliton solution. The new approach known to be sine-cosine method shows the success on yielding soliton propagation along with a precursor of growing mode. The study has been furthered with higher order non-linear effect resulted on the inherent behaviour of precursor and relates the observations with actual experimental observations. The study also shows that the soliton along with the precursor, due to the interaction of negative ions, might collapse expecting a source of high-energy with radiation-like called soliton radiation. These observations could be an advanced knowledge on soliton dynamics in Townsend discharge plasma and thus might be of interest to yield soliton propagation along with precursor in laboratory and space plasmas.
Page(s): 31-38
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.44(01) [January 2006]

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