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Equilibrium disks, magnetorotational instability mode excitation, and steady-state turbulence in global accretion disk simulations

Parkin, Elliott; Bicknell, Geoffrey

Description

Global three-dimensional magnetohydrodynamic (MHD) simulations of turbulent accretion disks are presented which start from fully equilibrium initial conditions in which the magnetic forces are accounted for and the induction equation is satisfied. The local linear theory of the magnetorotational instability (MRI) is used as a predictor of the growth of magnetic field perturbations in the global simulations. The linear growth estimates and global simulations diverge when nonlinear...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
URI: http://hdl.handle.net/1885/70639
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/763/2/99

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