Abstract
The data obtained in the experiments conducted in University of California, Berkley are used to validate numerical model of Penning gas discharge. Numerical model is based on 2D/3V axisymmetric electrostatic particle-in-cell method implemented on unstructured grids. Elementary processes in the gas discharge plasma are simulated using Monte-Carlo collision method. Electrodynamic structure of the Penning gas discharge is obtained using mentioned numerical model under conditions relevant to experimental and analyzed. Distributions of the potential, electric field, electrons and ions number densities, temperatures, distribution functions are presented in the study. Validation of numerical model is performed by comparison of the dependence of discharge current on applied magnetic field.
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