Bifurcation of force-free solar magnetic fields: A numerical approach |
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Authors: | Klaus Jockers |
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Institution: | (1) Max-Planck-Institute for Physics and Astrophysics, Föhringer Ring 6, 8000 München 40, F.R.G. |
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Abstract: | Numerical calculations of two-dimensional force-free fields as models of solar active regions are presented. For a given toroidal component of the photospheric magnetic field two branches of solutions are numerically obtained which merge at the critical point of maximum allowed toroidal magnetic field. Depending on boundary conditions magnetic islands may or may not form. The results are discussed with respect to their relevance to the flare process. |
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