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Nonlinear evolution of a wave packet propagating along a hot magnetoplasma column

Published online by Cambridge University Press:  13 March 2009

B. Ghosh  and
K. P. Das
B. Ghosh
Affiliation:
Department of Physics, R. K. Mission Vidyamandir, Belur Math, Howrah – 711 202, India
K. P. Das
Affiliation:
Department of Applied Mathematics, University of Calcutta, 92, Acharya Prafulla Chandra Road, Calcutta – 700 009, India.
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Abstract

The method of multiple scales is used to derive a nonlinear Schrödinger equation, which describes the nonlinear evolution of electron plasma ‘slow waves’ propagating along a hot cylindrical plasma column, surrounded by a dielectric medium and immersed in an essentially infinite axial magnetic field. The temperature is included as well as mobile ion effects for ail possible modes of propagation along the magnetic field. From this equation the condition for modulational instability for a uniform plasma wave train is determined.

Type
Research Article
Information
Journal of Plasma Physics , Volume 37 , Issue 1 , February 1987 , pp. 107 - 115
Copyright
Copyright © Cambridge University Press 1987

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