Abstract
A simplified and obvious electrotechnique model of the electric field enhancement in front of the propagating gas-discharge plasma channel is presented. A theory, developed some time ago by Yakovlenko, is criticized proving that a displacement of the electric field due to the plasma polarization behind the flat channel front is sufficient for the field enhancement ahead of the front. Arguing with this opinion, it is shown, in terms of the developed electrotechnique model, that for a significant field enhancement, as is known long ago, the cross-sectional area of the channel should be much less than that of the gas-discharge gap. The polarization self-acceleration of electrons is discussed.
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