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Electrical discharge in a heterogeneous medium

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Abstract

Electrical discharge in a heterogeneous medium is considered theoretically. For the first time special consideration is given to the case of quite low gas concentration with a large concentration of macroparticles. The treatment is based on consideration of the dependence of secondary electron emission from the macroparticles upon kinetic energy of the electrons and the charge of the macroparticles. Growth in positive particle charge leads to reduction in the secondary emission coefficient because of braking of slow secondary electrons in the particle field. Approximate analytic expressions are obtained for the current-voltage characteristic of this type of discharge. A criterion is defined for transition from a low to a high pressure discharge, at which ionization is determined by collisions with gas molecules, rather than collisions with macroparticles.

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Authors and Affiliations

  1. Moscow Physicotechnical Institute, USSR

    G. V. Karachevtsev & A. A. Fridman

Authors
  1. G. V. Karachevtsev
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  2. A. A. Fridman
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Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 23–27, April, 1979.

The authors express their thanks to O. R. Konenko and A. K. Musin for their valuable advice.

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Karachevtsev, G.V., Fridman, A.A. Electrical discharge in a heterogeneous medium. Soviet Physics Journal 22, 357–361 (1979). https://doi.org/10.1007/BF00895651

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  • DOI: https://doi.org/10.1007/BF00895651

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