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Fig. 3


Radial structure of the disc and surrounding envelope. Top left row: mean column density of the disc of run R2 as a function of radius. Second left panel: mean density of the disc vs. radius. Third and fourth left panels: various velocities vs. radius within the disc equatorial plane. Top right panel: βmag = PthermPmag as a functionof radius within the disc for several time steps of run R2. Second, third, and fourth right panels: three snapshots, the mean radial, axial, and toroidal magnetic field as a function of radius. As can be seen while at early time, the axis field, Bz, is the dominant component, at later time the toroidal field dominates.

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