The dynamics of magnetic flux tubes and a new theory related to the origin of the solar hemispheric helicity rules (Contributed talk)

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• Nicholas Brummell (University of California, Santa Cruz)
• Thursday 15 September 2022, 13:45-14:30
• Seminar Room 1, Newton Institute.

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DY2W01 - Dynamos in planets and stars - similarities and differences

The concept of magnetic “flux tubes” as isolated cylindrical magnetic entities has been instrumental in our intuition pertaining to the origins of solar magnetic observations.  However, magnetic fields are generally space-filling and the so-called “flux tubes” are really concentrations of field and are not isolated entities in a field-free background.  We examine the effects of this difference, and, in particular, find a simple new effect that can explain (or perhaps contribute to the explanation of) many aspects of the recent observations of solar helicity.

This talk is part of the Isaac Newton Institute Seminar Series series.

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