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Solitary waves and corresponding double layers in relativistic plasmas with multitemperature electrons

Published online by Cambridge University Press:  01 April 1997

G. C. DAS  and
K. M. SEN
G. C. DAS
Affiliation:
Plasma Physics Division, Institute of Advanced Study in Science and Technology, Khanapara, Guwahati 7 81 022, Assam, India
K. M. SEN
Affiliation:
Department of Mathematics, Modern College, Imphal 795 001, Manipur, India
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Abstract

The evolution of solitary waves is studied using the KP equations derived by employing the reductive perturbation technique. It is revealed that the relativistic effect plays a role in the formation of double layers in multi-temperature electron plasmas. Because of the singularity in soliton propagation introduced by the zeros in the nonlinear coefficients of the KP wave equations. Owing to the appearance of zeros in the nonlinearity, there might be a continuous modification of the KP equation. The relevant properties of compressive and rarefactive solitons as well as shock-like soliton are considered. It is possible that the layers of various solitary waves might be observed in plasmas.

Type
Research Article
Information
Journal of Plasma Physics , Volume 57 , Issue 3 , April 1997 , pp. 491 - 500
Copyright
1997 Cambridge University Press

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