Disks, Extrasolar Planets and Migration

Details Disks, Extrasolar Planets and Migration Disks, Extrasolar Planets and Migration

Apr 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ssrv...92..323t&link_type=abstract

Space Science Reviews, v. 92, Issue 1/2, p. 323-340 (2000).

Physics

9

Accretion, Accretion Disks &Ndash, Solar System: Formation &Ndash, Planetary Systems

Scientific paper

We review results about protoplanetary disk models, protoplanet migration and formation of giant planets with migrating cores. We first model the protoplanetary nebula as an α accretion disk and present steady state calculations for different values of α and gas accretion rate through the disk. We then review the current theories of protoplanet migration in the context of these models, focusing on the gaseous disk protoplanet tidal interaction. According to these theories, the migration timescale may be shorter than the planetary formation timescale. Therefore we investigate planet formation in the context of a migrating core, considering both the growth of the core and the build up of the envelope in the course of the migration.

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