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Paper: The Rise of Magnetic Flux Tubes across a Stratified Medium: Effects of the Twist
Volume: 118, First Advances in Solar Physics Euroconference: Advances in the Physics of Sunspots
Page: 71
Authors: Emonet, T.; Moreno-Insertis, F.
Abstract: The results of a 2D numerical simulation of the rise of twisted magnetic flux tubes are sketched. The theoretical criterion for the minimum twist necessary to prevent the conversion of the tube into a pair of strong vortices is shown to be correct. The transition from a low-twist to a high-twist regime is exemplified. There is a sharp transition between the tube interior and the outside medium. A well-developed wake is formed, which however contains only a fraction of the original magnetic flux of the tube.
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