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SUMMARY:Planet migration with gravitationally unstable gaps - Min-Kai Lin 
 (DAMTP)
DTSTART:20111024T150000Z
DTEND:20111024T160000Z
UID:TALK33285@talks.cam.ac.uk
CONTACT:Henrik Latter
DESCRIPTION:I present numerical simulations of disc-planet interactions wh
 ere the\nplanet opens a gravitationally unstable gap in an otherwise gravi
 tationally\nstable disc. In our disc models\, as the gap becomes more unst
 able the\nplanet migrates outwards more rapidly. Our results suggest that 
 standard\ntype II migration\, applicable to giant planets in non-self-grav
 itating\nviscous discs\, is likely to be significantly modified in massive
  discs when\ngravitational instabilities associated with the gap occur. I 
 will also\npresent recent 3D simulations on gap stability.
LOCATION:MR14\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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