University of Cambridge > Talks.cam > DAMTP Astro Mondays > Planet migration with gravitationally unstable gaps

Planet migration with gravitationally unstable gaps

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I present numerical simulations of disc-planet interactions where the planet opens a gravitationally unstable gap in an otherwise gravitationally stable disc. In our disc models, as the gap becomes more unstable the planet migrates outwards more rapidly. Our results suggest that standard type II migration, applicable to giant planets in non-self-gravitating viscous discs, is likely to be significantly modified in massive discs when gravitational instabilities associated with the gap occur. I will also present recent 3D simulations on gap stability.

This talk is part of the DAMTP Astro Mondays series.

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