Analytical Description of a Neutral-Induced Tripole Vortex in a Plasma

J. Vranješ, A. Okamoto, S. Yoshimura, S. Poedts, M. Kono, M. Y. Tanaka

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

An analytical description of a stationary triple vortex, observed in a cylindrical plasma, is presented. The concentration of neutrals, which is rather high in the experiment, turns out to be of crucial importance due to a spatially dependent distribution. In the radial direction the neutral concentration is paraboliclike, yielding an effective radial force directed towards the axis of the system. This neutral force causes the rotation of the plasma in the direction which is opposite to the [Formula presented] drift. The stationary triple vortex develops for a starting Gaussian-density distribution and a rigid-body rotation of the plasma column.

Original languageEnglish
JournalPhysical review letters
Volume89
Issue number26
DOIs
Publication statusPublished - 2002
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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