The importance of the dynamical corotation torque for the migration of low-mass planets - 1D analytical prescriptions verified by 2D hydrodynamical simulations

Open Access

Fig. 4

Left and middle panels: time evolution of I_v,lib/I_v,cross in simulations with varying Q₀ ∈ {8, 12, 16, 24, 32}, $β \in {\frac{1}{2}, 1}$ $\beta \in \left\{ {{1 \over 2},1} \right\}$ , for α_vis = 10^–4 (left) and α_vis = 10^–5 (middle). Right panel: time evolution of ratio between memory timescale and viscous timescale across HS region for α_vis = 10^–5 simulations.

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