Dynamics of electron holes in an electron–oxygen-ion plasma

Bengt Eliasson, Padma Shukla

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The dynamics of electron holes (EHs) in an electron–oxygen-ion plasma is studied by means of Vlasov simulations. It is found that EHs are attracted by ion density maxima but repelled by ion density minima. Standing EHs repel ions owing to the positive EH potential, creating an ion density cavity which ejects the EH, which propagates away from the cavity with a constant speed. On the other hand, propagating EHs can be trapped at ion density maxima. The results of our simulations will help in understanding the nonlinear dynamics of EHs in space and laboratory plasmas.
Original languageEnglish
Article number045001
Number of pages4
JournalPhysical Review Letters
Volume93
Issue number4
DOIs
Publication statusPublished - 19 Jul 2004

Keywords

  • electron holes
  • Vlasov simulations
  • electron-ion plasma

Cite this