Diffusion correction to the Raether-Meek criterion for the avalanche-to-streamer transition

C. Montijn, U. Ebert

Research output: Contribution to journalArticleAcademicpeer-review

61 Citations (Scopus)
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Abstract

Space-charge dominated streamer discharges can emerge in free space from single electrons. We reinvestigate the Raether-Meek criterion and show that streamer emergence depends not only on ionization and attachment rates and gap length, but also on electron diffusion. Motivated by simulation results, we derive an explicit quantitative criterion for the avalanche-to-streamer transition both for pure non-attaching gases and for air, under the assumption that the avalanche emerges from a single free electron and evolves in a homogeneous field
Original languageEnglish
Pages (from-to)2979-2992
JournalJournal of Physics D: Applied Physics
Volume39
Issue number14
DOIs
Publication statusPublished - 2006

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