Magnetized Disks around Young Stars

Details Magnetized Disks around Young Stars Magnetized Disks around Young Stars

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009rmxac..36..149l&link_type=abstract

Magnetic Fields in the Universe II: From Laboratory and Stars to the Primordial Universe (Eds. A. Esquivel, J. Franco, G. García

Astronomy and Astrophysics

Astronomy

1

Accretion, Accretion Disks, Ism: Magnetic Fields, Stars: Formation, Stars: Pre-Main Sequence

Scientific paper

We discuss the structure and evolution of a magnetized accretion disks around young stars that have dragged their magnetic field in the process of gravitational collapse. The disk evolves due to two diffusive processes: viscous stresses that redistribute mass and angular momentum, and the resistive diffusion of mass across magnetic field lines due to imperfect conduction. In steady-state there is an analytic model of the structure of these magnetized disks. We discuss the application of this model to disks around low and high mass young stars and recent results of time dependent models.

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