Energy Flux due to Electromagnetic Fluctuations during Guide Field Magnetic Reconnection

Large electromagnetic fluctuations inside the current sheet and large reconnection electric fields are observed during fast magnetic reconnection in the presence of a guide field. The fluctuations transport 2.5% of the dissipated magnetic energy from the reconnection region. Although the energy gain...

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Bibliographic Details
Published in:Plasma and Fusion Research 2016/06/15, Vol.11, pp.1301087-1301087
Main Authors: KUWAHATA, Akihiro, INOMOTO, Michiaki, YANAI, Ryoma, ONO, Yasushi
Format: Article
Language:English
Subjects:
Dissipation
electromagnetic fluctuation
Energy
Energy conversion
fast reconnection
guide field magnetic reconnection
ion heating and acceleration
Variation
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Summary:Large electromagnetic fluctuations inside the current sheet and large reconnection electric fields are observed during fast magnetic reconnection in the presence of a guide field. The fluctuations transport 2.5% of the dissipated magnetic energy from the reconnection region. Although the energy gains of the ions and electrons are approximately 60% and 12%, respectively, of the dissipated magnetic energy after the fast reconnection, the energy of fluctuations is not comparable to their energy gains. The fluctuations do not directly contribute to the energy conversion but might cause the fast reconnection leading to the rapid release of magnetic energy.
ISSN:1880-6821
1880-6821
DOI:10.1585/pfr.11.1301087