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11 papers · 2 filters
Global-scale Magnetism (and Cycles) in Dynamo Simulations of Stellar Convection Zones
Benjamin P Brown, Matthew K Browning, Allan Sacha Brun +2
Young solar-type stars rotate rapidly and are very magnetically active. The magnetic fields at their surfaces likely originate in their convective envelopes where convection and ro…
Persistent Magnetic Wreaths in a Rapidly Rotating Sun
Benjamin P. Brown, Matthew K. Browning, Allen Sacha Brun +2
When our Sun was young it rotated much more rapidly than now. Observations of young, rapidly rotating stars indicate that many possess substantial magnetic activity and strong axis…
Global-scale wreath-building dynamos in stellar convection zones
Benjamin P Brown, Matthew K Browning, Allan S Brun +2
When stars like our Sun are young they rotate rapidly and are very magnetically active. We explore dynamo action in rapidly rotating suns with the 3-D MHD anelastic spherical harmo…
Global magnetic cycles in rapidly rotating younger suns
Nicholas J. Nelson, Benjamin P. Brown, Matthew K. Browning +3
Observations of sun-like stars rotating faster than our current sun tend to exhibit increased magnetic activity as well as magnetic cycles spanning multiple years. Using global sim…
Differential Rotation and Magnetism in Simulations of Fully Convective Stars
Matthew Browning
Stars of sufficiently low mass are convective throughout their interiors, and so do not possess an internal boundary layer akin to the solar tachocline. Because that interface figu…
Magnetic Cycles and Meridional Circulation in Global Models of Solar Convection
Mark S. Miesch, Benjamin P. Brown, Matthew K. Browning +2
We review recent insights into the dynamics of the solar convection zone obtained from global numerical simulations, focusing on two recent developments in particular. The first is…