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Ion phase-space vortices and their relation to small amplitude double-layers

Published online by Cambridge University Press:  09 March 2009

Hans L. Pécseli
Hans L. Pécseli
Affiliation:
Association EURATOM, Risø National Laboratory, Physics Department, Risø National Laboratory, P.O. Box 49, DK-4000 Roskilde, Denmark
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Abstract

The properties of ion phase-space vortices are reviewed with particular attention to their role in the formation of small amplitude double-layers in current-carrying plasmas. In a one-dimensional analysis, many such double-layers simply add up to produce a large voltage drop. A laboratory experiment is carried out in order to investigate the properties of ion phase-space vortices in three dimensions. Their lifetime is significantly reduced as compared with similar results from one-dimensional numerical simulations of the problem.

Type
Research Article
Information
Laser and Particle Beams , Volume 5 , Issue 2 , May 1987 , pp. 211 - 217
Copyright
Copyright © Cambridge University Press 1987

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