A New Method for Finding Topological Separators in a Magnetic Field

Details A New Method for Finding Topological Separators in a Magnetic Field A New Method for Finding Topological Separators in a Magnetic Field

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006soph..236...41b&link_type=abstract

Solar Physics, Volume 236, Issue 1, pp.41-57

Physics

2

Scientific paper

Magnetic topology is a powerful tool for constraining certain physical properties of a given magnetic configuration, including the strengths and locations of current sheets, relative helicity and the magnetic free energy available for reconnection. A critical feature of magnetic topology is the separator, a field line bordering several different regions of connectivity. With existing methods, these field lines are at best computationally expensive and at worst impossible to find. A new method is presented for finding the Minimal Separator Set, all of the separators that necessarily exist in a configuration, and to use this information in combination with the optical analogy and a simulated annealing method to ‘cool’ an initial guess for each separator into a good approximation.

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