Tendency of a rotating electron plasma to approach the Brillouin limit

Renaud Gueroult, Amnon Fruchtman, Nathaniel J. Fisch

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

A neutral plasma is considered to be immersed in an axial magnetic field together with a radial electric field. If the electrons are magnetized, but the ions are not magnetized, then the electrons will rotate but the ions will not rotate, leading to current generation. The currents, in turn, weaken the axial magnetic field, leading to an increase in the rotation frequency of the slow Brillouin mode. This produces a positive feedback effect, further weakening the magnetic field. The operating point thus tends to drift towards the Brillouin limit, possibly finding stability only in proximity to the limit itself. An example of this effect might be the cylindrical Hall thruster configuration.

Original languageEnglish (US)
Article number073505
JournalPhysics of Plasmas
Volume20
Issue number7
DOIs
StatePublished - Jul 1 2013

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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