Dynamical Evolution of The Gas-Dust Accretion Disks of Young Stars with Large-Scale Magnetic Field

We review the current state of research on gas-dust accretion disks of young stars. Particular attention is paid to the magnetic fields of disks, properties of dust grains, and models of angular momentum transfer. We conclude that self-consistent MHD models that take into account both MHD turbulence and outflows are necessary for developing the theory of accretion disk evolution. Development of such models requires selection of optimal approaches to calculating the ionization state of gas-dust accretion disks taking into account charges of dust grains of different sizes. The authors’ model show that submicron dust grains are the main carriers of electric charge inside the ‘dead’ zones. Calculations of the magnetic field strength in the kinematic approximation demonstrate significant changes in the magnetic flux distribution of the disk during its evolution.