Abstract
He carried out a numerical simulation of atmospheric responses to magnetic flux eruptions from the base of a helmet streamer. The results show that the material originally contained in the streamer is compressed and lifted upward by the erupting magnetic field, forming a high density bright loop. At the same time, fast magnetosonic waves appear in front of the loop and a low density dark region, below it. These results suggest that magnetic flux eruption is probably an important triggering mechanism of loop-like coronal mass ejection.
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