Electromagnetic fluctuations during guide field reconnection in a laboratory plasma

A. V. Stechow, W. Fox, J. Jara-Almonte, J. Yoo, H. Ji, M. Yamada

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Abstract

Electromagnetic fluctuations are studied during magnetic reconnection in a laboratory plasma for a range of guide magnetic fields from nearly zero up to normalized guide fields B g / B u p = 1.2. The predominant fluctuations are identified as right-hand polarized whistler modes, which become increasingly organized and less intermittent, and obtain larger amplitude with the increasing guide field. The fluctuation amplitude also increases with the reconnecting magnetic field, implying a relatively constant conversion of upstream magnetic energy to turbulent fluctuations of ≲1% across guide field strengths.

Original languageEnglish (US)
Article number052120
JournalPhysics of Plasmas
Volume25
Issue number5
DOIs
StatePublished - May 1 2018

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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