Laboratory study of hall reconnection in partially ionized plasmas

Eric E. Lawrence, Hantao Ji, Masaaki Yamada, Jongsoo Yoo

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

The effects of partial ionization (ni/nn1%) on magnetic reconnection in the Hall regime have been studied systematically in the Magnetic Reconnection Experiment. It is shown that, when neutrals are added, the Hall quadrupole field pattern and thus electron flow are unchanged while the ion outflow speed is reduced due to ion-neutral drag. However, in contrast to theoretical predictions, the ion diffusion layer width does not change appreciably. Therefore, the total ion outflow flux and the normalized reconnection rate are reduced.

Original languageEnglish (US)
Article number015001
JournalPhysical review letters
Volume110
Issue number1
DOIs
StatePublished - Jan 2 2013

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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