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Coronal Heating Topology: The Interplay of Current Sheets and Magnetic Field Lines View all abstracts by submitter

Franco Rappazzo   Submitted: 2017-08-04 21:07

The magnetic topology and field line random walk (FLRW) properties of a nanoflare-heated and magnetically confined corona are investigated in the reduced magnetohydrodynamic regime. Field lines originating from current sheets form coherent structures, called current sheet connected (CSC) regions, which extend around them. CSC FLRW is strongly anisotropic, with preferential diffusion along the current sheets' in-plane length. CSC FLRW properties remain similar to those of the entire ensemble but exhibit enhanced mean square displacements and separations due to the stronger magnetic field intensities in CSC regions. The implications for particle acceleration and heat transport in the solar corona and wind, and for solar moss formation are discussed.

Authors: A. F. Rappazzo, W. H. Matthaeus, D. Ruffolo, M. Velli, S. Servidio
Projects: None

Publication Status: ApJ 844, 87 (2017)
Last Modified: 2017-08-07 12:04
Go to main E-Print page  Order out of Chaos : Self-Organization Processes in Astrophysics  Magnetic Evolution and the Disappearance of Sun-like Activity Cycles  Edit Entry  Download Preprint  Submitter's Homepage Delete Entry 

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