Electromagnetic fluctuations during guide field reconnection in a laboratory plasma

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

doi:10.1063/1.5025827

Title: Electromagnetic fluctuations during guide field reconnection in a laboratory plasma

Journal Article · Wed May 23 00:00:00 EDT 2018 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.5025827· OSTI ID:1464515

Stechow, A. v. ^[1];

^[2]; Jara-Almonte, J. ^[2];

^[2]; Ji, H. ^[2]; Yamada, M. ^[2]

Max Planck Institute for Plasma Physics, Greifswald (Germany)
Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)

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_up = 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. Here, 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.

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Research Organization:: Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: NNH15AB29I; AC02-04CH11466; NNH14AX631

OSTI ID:: 1464515

Journal Information:: Physics of Plasmas, Vol. 25, Issue 5; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 4 works

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