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On the periodicity of ion-acoustic waves in an inhomogeneous plasma

Published online by Cambridge University Press:  13 March 2009

M. D. Gunzburger
M. D. Gunzburger
Affiliation:
Department of Mathematics, University of Tennessee, Knoxville, Tennessee 37916, U.S.A.
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Abstract

The existence of periodic ion-acoustic waves propagating through an inhomogeneous moving plasma is studied. For supersonic flow speeds it is shown that periodic excitations result in periodic responses independent of the nature of the media properties and the initial conditions. For subsonic flow speeds, periodic responses exist only under certain restrictions on the media and the initial conditions. However, most cases of physical interest are in the class of problems for which periodic or asymptotically periodic responses exist.

Type
Research Article
Information
Journal of Plasma Physics , Volume 20 , Issue 3 , December 1978 , pp. 345 - 350
Copyright
Copyright © Cambridge University Press 1978

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References

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