Abstract

This paper gives basic theoretical explanation of the so-called "anomalous" ion transport phenomenon taking place during the vacuum breakdown in vacuum diodes with a quasi-continuous cathode plasma emission. The theoretical explanation is provided in the framework of one-dimensional collisionless plasma kinetic model based on Vlasov-Poisson set of equations for the charged particles ensembles. The derived numerical solution of the model non-stationary equations shows that the "anomalous" transport has an electrodynamic nature connected with dynamics of the electric potential minimum ("virtual cathode") arising self-consistently.

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