期刊
PHYSICS OF PLASMAS
卷 24, 期 10, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.5001722
关键词
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资金
- NSF [AGS-1460130]
- NASA [NNX15AW58G, NNX14AI63G, NNX08A083GMMS]
- MMS mission [NNX14AC39G]
- Solar Probe Plus science team (IOSIS/Princeton) [D99031L]
- Div Atmospheric & Geospace Sciences
- Directorate For Geosciences [1460130] Funding Source: National Science Foundation
Magnetic reconnection is a ubiquitous phenomenon in turbulent plasmas. It is an important part of the turbulent dynamics and heating of space and astrophysical plasmas. We examine the statistics of magnetic reconnection using a quantitative local analysis of the magnetic vector potential, previously used in magnetohydrodynamics simulations, and now employed to fully kinetic particle-in-cell (PIC) simulations. Different ways of reducing the particle noise for analysis purposes, including multiple smoothing techniques, are explored. We find that a Fourier filter applied at the Debye scale is an optimal choice for analyzing PIC data. Finally, we find a broader distribution of normalized reconnection rates compared to the MHD limit with rates as large as 0.5 but with an average of approximately 0.1. Published by AIP Publishing.
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