Fig. 4
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Time evolution of the dust surface density in low-turbulence disks. We set m = 0.1, ℳhw = 0.03, St = 10−3, and αdiff = 10−5. The horizontal axis is on a log scale, whose range is extended to x ∈ [−100, 5]. The vertical dashed lines show the analytic model of the location of the inner edge of the dust gap, which moves with vdrift (Sect. 4.4).
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