Anomalous magnetic diffusion in coronal current layers |
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Authors: | Yurii M Voitenko |
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Institution: | (1) Department of Space Plasma Physics, Main Astronomical Observatory, Golosiiv, 252650 Kyiv, Ukraine |
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Abstract: | The current-driven kinetic Alfvén instability is proposed as an anomalous transport mechanism for regions of concentrated, field-aligned currents in the solar corona. Anomalous magnetic diffusivity (
e f f 109cm2s–1), produced by kinetic Alfvén turbulence in the vicinity of the saturation level, provides fast magnetic energy release with a local inflow Alfvén Mach numberM
in 0.1. |
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Keywords: | |
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