Transient large-scale dynamos in supernova progenitors

Details Transient large-scale dynamos in supernova progenitors Transient large-scale dynamos in supernova progenitors

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aps..dppbp1165n&link_type=abstract

American Physical Society, 47th Annual DPP Meeting, October 24-28, 2005, abstract #BP1.165

Physics

Scientific paper

A large-scale, transient interface dynamo model is presented in the context of a supernova progenitor. Torodial and polodial field strengths are calculated at the boundary between the strong shear layer and the surrounding convective envelope. Dynamical shear is included and drained through field amplification and turbulent diffusion. For a 15 solar mass progenitor with varying outer shear layer rotation rates, we present a range of models which may provide enough energy to help power a supernova through poynting flux, viscous dissipation or a combination of both.

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