Vertical slices at r = 5.5 au in the initial hydrostatic state. Top panel: temperature profiles. Middle panels: R∂_zΩ² profiles compared to the corresponding values for a vertically isothermal disk (Ω = Ω_iso), and different terms contributing to the vertical shear in Eq. (5) for f_dg = 10⁻³ (second from the top) and 10⁻⁴ (third from the top) in units of the local squared Keplerian frequency . Bottom panel: squared vertical Brunt-Väisälä frequency for both f_dg values in units of (solid lines) compared to their values for vertically isothermal disks (dotted lines).