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Title: Tendency of a rotating electron plasma to approach the Brillouin limit

Abstract

In this study, 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.

Authors:
 [1];  [2];  [1]
  1. Princeton Univ., Princeton, NJ (United States). Princeton Plasma Physics Lab.
  2. H.I.T. -Holon Institute of Technology, Holon (Israel)
Publication Date:
Research Org.:
Princeton Univ., NJ (United States)
Sponsoring Org.:
USDOE
Contributing Org.:
H.I.T.-Holon Institute of Technology
OSTI Identifier:
1257712
Grant/Contract Number:  
FG02-06ER54851
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 20; Journal Issue: 7; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; magnetic fields; Brillouin scattering; photon density; electric fields; diamagnetism

Citation Formats

Gueroult, Renaud, Fruchtman, Amnon, and Fisch, Nathaniel J. Tendency of a rotating electron plasma to approach the Brillouin limit. United States: N. p., 2013. Web. doi:10.1063/1.4816670.
Gueroult, Renaud, Fruchtman, Amnon, & Fisch, Nathaniel J. Tendency of a rotating electron plasma to approach the Brillouin limit. United States. doi:10.1063/1.4816670.
Gueroult, Renaud, Fruchtman, Amnon, and Fisch, Nathaniel J. Wed . "Tendency of a rotating electron plasma to approach the Brillouin limit". United States. doi:10.1063/1.4816670. https://www.osti.gov/servlets/purl/1257712.
@article{osti_1257712,
title = {Tendency of a rotating electron plasma to approach the Brillouin limit},
author = {Gueroult, Renaud and Fruchtman, Amnon and Fisch, Nathaniel J.},
abstractNote = {In this study, 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.},
doi = {10.1063/1.4816670},
journal = {Physics of Plasmas},
issn = {1070-664X},
number = 7,
volume = 20,
place = {United States},
year = {2013},
month = {7}
}

Journal Article:
Free Publicly Available Full Text
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