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

Author： Ender Y. A.   Kuznetsov V. I.   Schamel H.  

Publisher： Edp Sciences

E-ISSN： 1286-0050|49|1|11002-11002

ISSN： 1286-0042

Source： EPJ Applied Physics (The), Vol.49, Iss.1, 2010-01, pp. : 11002-11002

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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.

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