Velocity distribution function of ion swarm in a weakly ionised gas in a constant mean free time encounter region

T. Makabe, K. Misawa, T. Mori

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The theoretical analysis of the velocity distribution function of ions in weakly ionised gases is developed under the condition of induced dipole interaction between ion and molecule by using the BGK approximation in the Boltzmann equation. The derived functions is valid for arbitrary reduced field strength E/N and ion-neutral mass ratio m/M. The results are compared with the previous works of Whealton and Woo (1971), and Wannier (1958), and it is found that predicted distribution function exhibits great power in the case of nearly the same mass. Also the anisotropy of the distribution function is investigated.

Original languageEnglish
Article number012
Pages (from-to)199-206
Number of pages8
JournalJournal of Physics D: Applied Physics
Volume14
Issue number2
DOIs
Publication statusPublished - 1981 Dec 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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