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Paper: Structure and Evolution of Magnetic Fields Leading to Solar Flares
Volume: 369, New Solar Physics with Solar-B Mission
Page: 449
Authors: Wang, H.
Abstract: In this paper, I review the observations of preflare magnetic conditions. The following topics will be discussed: (1) Static non-potential magnetic topology before flares, such as high magnetic gradient, strong magnetic shear and large twist and electric current. (2) Dynamic pre-flare conditions such as new flux emergence, helicity injection and shear/converging flows. (3) The evolution of these magnetic structures leading to and following flares. Unprecedented vector magnetograms from Solar-B, with high resolution, cadence, stability, will certainly make breakthroughs in this research area.
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