Radial equation for an accretion flow driven by Poynting flux
Hyun Kyu Lee
Abstract
Using a toy model of a two dimensional accretion disk, we discuss further the radial equation of the accretion flow dominated by the Poynting flux. Assuming the force-free condition is valid around the accretion disk, the relation between the fluid angular velocity of the disk, ΩD, and the angular velocity of the magnetic field lines, ΩF, is also discussed.
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