Log Σ contours for q = 0.02 with softening length 0.1H after 50 orbits (left panel) and after 100 orbits (right panel). In these simulations the companion, its position in each case being at the centre of the small red circle located within the gap region, was allowed to accrete. The widths of the gaps slowly increase, while the accretion rates, on average, decrease slowly with time. Short wavelength density waves in the outer disks are just visible. Values of log Σ below the minimum indicated on the colour bar are plotted as that minimum value.
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