Electromagnetic Fluctuations during Fast Reconnection in a Laboratory Plasma

Hantao Ji, Stephen Terry, Masaaki Yamada, Russell Kulsrud, Aleksey Kuritsyn, Yang Ren

Research output: Contribution to journalArticlepeer-review

148 Scopus citations

Abstract

The positive correlation between magnitude of electromagnetic fluctuations and the enhancement of reconnection rates in a laboratory plasma was investigated. The waves were identified as right-hand polarized whistler waves, propagating obliquely to the reconnecting magnetic field. The extremely small resistivity causes the magnetic field to dissipate only in very thin current sheets, which impede the mass outflow and thus limit the reconnection rate. The results show that the LHDI is present only in the low-β edge region of the current sheet, but not in the high-β central region, where the resistivity needs to be enhanced.

Original languageEnglish (US)
Article number115001
Pages (from-to)115001-1-115001-4
JournalPhysical review letters
Volume92
Issue number11
DOIs
StatePublished - Mar 19 2004

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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