Abstract

The current-driven kinetic Alfven instability is proposed as an anomalous transport mechanism for regions of concentrated, field-aligned currents in the solar corona. Anomalous magnetic diffusivity (ηe f f ≤ 109cm2s−1), produced by kinetic Alfven turbulence in the vicinity of the saturation level, provides fast magnetic energy release with a local inflow Alfven Mach numberMin ≤ 0.1.

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