Table A.1.
Explanations of variables related to the disk used in our model.
| Parameter | Explanation |
|---|---|
| ν | alpha viscosity parameter |
| cs | sound speed |
| ΩK | Kepler angular velocity |
| G | Gravitational constant |
| M⋆ | Mass of central star |
| r | radius coordinate of the disk |
| kB | Boltzmann constant |
| Tmid | Temperature of the midplane |
| μ | mean molecular weight |
| mp | proton mass |
| Δv | sub-Keplerian azimuthal speed |
| vK | Keplerian velocity |
| vφ | azimuthal velocity of the gas |
| P | Gas pressure |
| Hgas | scale height of the disk |
| St | Stokes number of a particle |
| τf | stopping time of a particle |
| a | particle size |
| ρ• | density of a dust and pebble particle |
| Σgas | Gas surface density |
| uZ | general pebble/dust drift velocity |
| ugas | gas diffusion velocity |
| ϵ | solid to gas ratio |
| ΣZ | total dust surface density (pebbles and dust) |
| fm | mass fraction of pebbles |
| Σpeb | surface density of pebbles |
| Σdust | surface density of dust |
| ûZ | mass averaged dust drift velocity (dust and pebbles) |
| upeb | pebble drift velocity |
| udust | dust drift velocity |
| Y | molecular species |
| t | time |
 |
source/sink term for viscous evolution |
| M0 | initial disk mass |
| R0 | scaling radius of the disk |
| ψ | logarithmic gradient of the viscosity at the inner edge |
| rin | radius at the inner edge of the disk |
| ξ | normed time |
| tν | viscous time |
 |
evaporation source term |
 |
condensation source term |
 |
source term due to the discount of accreted pebbles |
| rice,Y | position of the evaporation line of species Y |
| adust | dust size |
| apeb | pebble size |
| ϵp | pebble sticking efficiency |
| μY | mass of species Y (in proton masses) |
 |
photoevaporation source term |
| tevap | start of photoevaporation |
| τdecay | decay timescale of the disk |
| Ṁdisk | disk accretion rate |
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