Fig. 4

Dependence of the mean ratio of the minimum surface density in the gap on the characteristic disk surface density Σ∗, σmin, as a function of the parameter ys. The solid curve represents the result obtained from the numerical iterations of the map based on the solution of Eqs. (54) and (55), while the dashed curve shows the analytic expression .
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.