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Beam-plasma structures at propagation of electron beams in plasma

Mel’nik, V.N., and Kontar, E.P. (1998) Beam-plasma structures at propagation of electron beams in plasma. Physica Scripta, 58 (5). pp. 510-517. ISSN 0031-8949 (doi:10.1088/0031-8949/58/5/015)

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Publisher's URL: http://dx.doi.org/10.1088/0031-8949/58/5/015

Abstract

In the frame of the theory of weak turbulence the propagation of electron beams is considered. Using the smallness of quasilinear time transition from kinetic equations to gas-dynamic ones has been done. The obtained gas-dynamic equations are solved for one, two and N monoenergetic beams. It is shown that each beam generally propagates as a beam-plasma structure consisting of electrons and Langmuir waves. Interaction of the structures at their propagation leads to electron exchange and spatial shape changing. Different situations are discussed in dependence on initial beam velocities and densities.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Kontar, Dr Eduard
Authors: Mel’nik, V.N., and Kontar, E.P.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physica Scripta
ISSN:0031-8949

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