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Nonlinear interaction of an intense electromagnetic wave with an unmagnetized electron—positron plasma

Published online by Cambridge University Press:  13 March 2009

V. I. Berezhiani ,
L. N. Tsintsadze  and
P. K. Shukla
V. I. Berezhiani
Affiliation:
Institute of Physics, The Georgian Academy of Sciences, Tamarashvili Street 6, Tbilisi 380077, Republic of Georgia
L. N. Tsintsadze
Affiliation:
Institute of Physics, The Georgian Academy of Sciences, Tamarashvili Street 6, Tbilisi 380077, Republic of Georgia
P. K. Shukla
Affiliation:
Institut für Theoretische Physik IV, Ruhr Universitaät Bochum, D-4639 Bochum 1, Germany
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Abstract

The nonlinear interaction of an arbitrarily large-amplitude circularly polarized electromagnetic wave with an unmagnetized electron-positron plasma is considered, taking into account relativistic particle-mass variation as well as large-scale density perturbations created by radiation pressure. It is found that the interaction is governed by an equation for the electromagnetic wave envelope, which is coupled with a pair of equations describing fully nonlinear longitudinal plasma motions. The dynamics of the nonlinear electromagnetic wave packet is studied.

Type
Research Article
Information
Journal of Plasma Physics , Volume 48 , Issue 1 , August 1992 , pp. 139 - 143
Copyright
Copyright © Cambridge University Press 1992

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