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Fig. 5

image

Time-series of the azimuthally averaged surface density profile for three models. The left panel shows our results for the reference model. Clearly visible is a decrease of the surface density in the inner disk and the gap. The migration of the Neptune into the gap can be recognized by the plateau that it creates in the surface density profile at later times. The middle and right panels show the same quantity for a model with increased aspect ratio and viscosity, respectively.

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