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Theory and application of plasma diode equilibria with beam electrons and a fixed particle background of negative charge

Published online by Cambridge University Press:  11 December 2009

Y. A. Ender ,
V. I. Kuznetsov  and
H. Schamel
Y. A. Ender
Affiliation:
Ioffe Physical-Technical Institute, St. Petersburg, Russia
V. I. Kuznetsov
Affiliation:
Ioffe Physical-Technical Institute, St. Petersburg, Russia
H. Schamel*
Affiliation:
Physikalisches Institut, Universität Bayreuth, Bayreuth, Germany
*
hans.schamel@uni-bayreuth.de
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Abstract

The effect of a uniformly distributed, immobile, charged particle background on the stationary states of a plasma diode with beam electrons is studied. Whereas a positively charged particle background results in an increase of the space-charge limit of the electron current across the diode and brings in new branches of equilibria, a negatively charged background decreases the current up to zero current level due to a complete reflection of beam electrons within the diode region. This effect can be used for the design of fast switches.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 49 , Issue 1: 17th International Colloquium on Plasma Processes (CIP 2009) , January 2010 , 11002
Copyright
© EDP Sciences, 2009

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