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Magnetic activity in protoplanetary discs

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If you have a question about this talk, please contact Mustapha Amrani.

Dynamics of Discs and Planets

Magnetic fields play a key role in the dynamics and evolution of protoplanetary disks. Significant magnetic flux is brought in during the collapse of a molecular cloud core to form a star and disk. Subsequently, the maagnetic field may efficiently transport angular momentum radially outwards by MHD turbulence or remove it vertically through ordered magnetocentrifugal acceleration of outflows from the disk surface. In addition, magnetically-driven transport and mixing impacts disk chemistry, the evolution of the grain population, and planetary migration.

I shall outline some of the considerable uncertainties in understanding and quantifying these processes.

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

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