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

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 Bg/Bup = 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.

Authors:
 [1]; ORCiD logo [2];  [2]; ORCiD logo [2];  [2];  [2]
  1. Max Planck Institute for Plasma Physics, Greifswald (Germany)
  2. Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
Publication Date:
Research Org.:
Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1464515
Grant/Contract Number:  
NNH15AB29I; AC02-04CH11466; NNH14AX631
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 25; Journal Issue: 5; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Magnetic reconnection

Citation Formats

Stechow, A. v., Fox, W., Jara-Almonte, J., Yoo, J., Ji, H., and Yamada, M. Electromagnetic fluctuations during guide field reconnection in a laboratory plasma. United States: N. p., 2018. Web. doi:10.1063/1.5025827.
Stechow, A. v., Fox, W., Jara-Almonte, J., Yoo, J., Ji, H., & Yamada, M. Electromagnetic fluctuations during guide field reconnection in a laboratory plasma. United States. doi:10.1063/1.5025827.
Stechow, A. v., Fox, W., Jara-Almonte, J., Yoo, J., Ji, H., and Yamada, M. Wed . "Electromagnetic fluctuations during guide field reconnection in a laboratory plasma". United States. doi:10.1063/1.5025827. https://www.osti.gov/servlets/purl/1464515.
@article{osti_1464515,
title = {Electromagnetic fluctuations during guide field reconnection in a laboratory plasma},
author = {Stechow, A. v. and Fox, W. and Jara-Almonte, J. and Yoo, J. and Ji, H. and Yamada, M.},
abstractNote = {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 Bg/Bup = 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.},
doi = {10.1063/1.5025827},
journal = {Physics of Plasmas},
number = 5,
volume = 25,
place = {United States},
year = {2018},
month = {5}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Citation Metrics:
Cited by: 1 work
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Figures / Tables:

FIG. 1 FIG. 1: Schematic cross-section of MRX including the contour of the vacuum chamber, the various internal and external coils, the probe locations as well as sample poloidal flux countours together with the reconnecting current sheet.

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    Works referencing / citing this record:

    Energy Conversion by Parallel Electric Fields During Guide Field Reconnection in Scaled Laboratory and Space Experiments
    journal, December 2018

    • Fox, W.; Wilder, F. D.; Eriksson, S.
    • Geophysical Research Letters, Vol. 45, Issue 23
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