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Characterizing and predicting the magnetic environment leading to solar eruptions

Amari, Tahar; Canou, Aurélien; Aly, Jean-Jacques

The physical mechanism responsible for coronal mass ejections has been uncertain for many years, in large part because of the difficulty of knowing the three-dimensional magnetic field in the low corona. Two possible models have emerged. In the first, a twisted flux rope moves out of equilibrium or becomes unstable, and the subsequent reconnection…