Applications of Braid Theory
Applications of Braid Theory
Applications of Braid Theory
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Flux Tube Models<br />
Twisted Flux tubes have <strong>of</strong>ten been used in models <strong>of</strong> solar<br />
filaments and Coronal Mass Ejections. Could the Sigmoid x‐ray<br />
brightenings show the shape <strong>of</strong> these tubes?<br />
Low & Berger 2003: magnetostatic solutions with<br />
helical symmetry embedded in external field<br />
Unfortunately, these give<br />
the wrong sign! However,<br />
surrounding current<br />
concentrations can have the<br />
correct sign.
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