Three-dimensional Disk-Planet Torques in a Locally Isothermal Disk

@article{DAngelo2010ThreedimensionalDT,
  title={Three-dimensional Disk-Planet Torques in a Locally Isothermal Disk},
  author={G. D’Angelo and S. Lubow},
  journal={The Astrophysical Journal},
  year={2010},
  volume={724},
  pages={730-747}
}
  • G. D’Angelo, S. Lubow
  • Published 2010
  • Physics
  • The Astrophysical Journal
  • We determine an expression for the Type I planet migration torque involving a locally isothermal disk, with moderate turbulent viscosity (5 × 10–4 α 0.05), based on three-dimensional nonlinear hydrodynamical simulations. The radial gradients (in a dimensionless logarithmic form) of density and temperature are assumed to be constant near the planet. We find that the torque is roughly equally sensitive to the surface density and temperature radial gradients. Both gradients contribute to inward… CONTINUE READING
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