Abstract
Based on the available experimental data and computer simulations, analytical approximations of the quantities characterizing electron multiplication in the cathode sheath are proposed. The critical electric field is found above which runaway electrons are observed. Using the approximations proposed, the dependences of the plasma parameters (the electron and ion densities and currents and the electric field strength) on the distance from the cathode are analyzed. Simple formulas for the total current, the cathode sheath thickness, and the cathode potential drop as functions of the electric field on the cathode surface are derived.
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Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 73, No. 2, 2003, pp. 56–64.
Original Russian Text Copyright © 2003 by Tkachev, Yakovlenko.
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Tkachev, A.N., Yakovlenko, S.I. Simulations of plasma formation in the cathode sheath of an efficient excimer lamp. Tech. Phys. 48, 190–198 (2003). https://doi.org/10.1134/1.1553559
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DOI: https://doi.org/10.1134/1.1553559