Some Recent Developments in Solar Dynamo Theory

Details Some Recent Developments in Solar Dynamo Theory Some Recent Developments in Solar Dynamo Theory

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006japa...27...79c&link_type=abstract

Journal of Astrophysics and Astronomy, vol. 27, no.2 & 3, p. 79-85.

Astronomy and Astrophysics

Astrophysics

Sun: Magnetic Field, Sunspots, Solar Cycle, Mhd

Scientific paper

We discuss the current status of solar dynamo theory and describe the dynamo model developed by our group. The toroidal magnetic field is generated in the tachocline by the strong differential rotation and rises to the solar surface due to magnetic buoyancy to create active regions. The decay of these active regions at the surface gives rise to the poloidal magnetic field by the Babcock-Leighton mechanism. This poloidal field is advected by the meridional circulation first to high latitudes and then down below to the tachocline. Dynamo models based on these ideas match different aspects of observational data reasonably well.

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