3D hybrid computations for streamer discharges and production of run-away electrons

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Abstract
We introduce a 3D hybrid model for streamer discharges that follows the dynamics of single electrons in the region with strong field enhancement at the streamer tip while approximating the many electrons in the streamer interior as densities. We explain the method and present first results for negative streamers in nitrogen. We focus on the high electron energies observed in the simulation. We also discuss the impact of run-away electrons on streamer propagation.

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