The topological description of coronal magnetic fields

Details The topological description of coronal magnetic fields The topological description of coronal magnetic fields

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986nascp2442..425b&link_type=abstract

In NASA. Goddard Space Flight Center Coronal and Prominence Plasmas p 425-429 (SEE N87-20871 13-92)

Physics

Equilibrium Equations, Magnetic Fields, Mapping, Solar Corona, Topology, Flow Distribution, Fluid Flow, Heating, Photosphere, Solar Physics

Scientific paper

The author concludes that the fields in active regions to some approximation may resemble a collection of highly braided flux tubes, with only a small amount of flux in between. The topology of the braided tubes can be precisely described. If the given example has any generality, then thin current layers, if not singular current sheets must inevitably form between the tubes. The braiding structure cannot be dissipated except by reconnection across these current layers. It is important to know for certain whether the layers have zero or finite thickness, because the width of the current layers can affect the dissipation timescale.

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