Saving Planetary Systems: Dead Zones and Planetary Migration

  title={Saving Planetary Systems: Dead Zones and Planetary Migration},
  author={Soko Matsumura and Ralph E. Pudritz and Edward W. Thommes},
  journal={The Astrophysical Journal},
The tidal interaction between a disk and a planet leading to a planet's migration is widely believed to be the mechanism that explains the variety of orbital radii of extrasolar planets. A long-standing question is what stops the migration before planets plunge into their central stars. We propose a new, simple mechanism to significantly slow down planet migration and test it using a hybrid numerical integrator to simulate disk-planet interaction. Key to this scenario are the low-viscosity… 
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