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Ponderomotive barrier for plasma particles on the boundary of astrophysical jets

Published online by Cambridge University Press:  08 June 2011

Anna A. Dubinova  and
Vladimir V. Kocharovsky
Anna A. Dubinova
Affiliation:
Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, Russia email: anndub@gmail.com, kochar@appl.sci-nnov.ru
Vladimir V. Kocharovsky
Affiliation:
Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, Russia email: anndub@gmail.com, kochar@appl.sci-nnov.ru
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Abstract

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We study kinetics of plasma particles on internal inhomogeneities and on the boundary of astrophysical jets in the presence of intensive low-frequency electromagnetic (surface and bulk waves). These waves with energy density exceeding or of the same order as the particle kinetic energy density can be generated due to the non-equilibrium state of plasma and lead to the jet stratification at various scales. The main reason is a ponderomotive force which is able to change dramatically the particle behavior, the plasma density cross-section profile and the wave collimation. We present results obtained on the basis of our simple ponderomotive model of the self-consistent analysis of the electromagnetic wave propagation and the formation of the plasma density profile.

Keywords

galaxies: jetsplasmaswaves
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S274: Advances in Plasma Astrophysics , September 2010 , pp. 239 - 242
Copyright
Copyright © International Astronomical Union 2011

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