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Gravitational instability of planetary gaps and its effect on orbital migration

Published online by Cambridge University Press:  06 January 2014

Min-Kai Lin  and
Ryan Cloutier
Min-Kai Lin
Affiliation:
Canadian Institute for Theoretical Astrophysics, 60 St. George Street, Toronto, ON, M5S 3H8, Canada email: mklin924@cita.utoronto.ca, cloutier@cita.utoronto.ca
Ryan Cloutier
Affiliation:
Canadian Institute for Theoretical Astrophysics, 60 St. George Street, Toronto, ON, M5S 3H8, Canada email: mklin924@cita.utoronto.ca, cloutier@cita.utoronto.ca
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Abstract

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Gap formation by giant planets in self-gravitating disks may lead to a gravitational edge instability (GEI). We demonstrate this GEI with global 3D and 2D self-gravitating disk-planet simulations using the ZEUS, PLUTO and FARGO hydrodynamic codes. High resolution 2D simulations show that an unstable outer gap edge can lead to outward migration. Our results have important implications for theories of giant planet formation in massive disks.

Keywords

hydrodynamicsinstabilitiesmethods: numericalplanetary systems: protoplanetary disksplanets and satellites: formation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S299: Exploring the Formation and Evolution of Planetary Systems , June 2013 , pp. 218 - 219
Copyright
Copyright © International Astronomical Union 2013 

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