4–8 Aug 2014
Niels Bohr Institute
Europe/Copenhagen timezone

Implications of dead zones for planet formation

7 Aug 2014, 14:00
30m
Auditorium A (Niels Bohr Institute)

Auditorium A

Niels Bohr Institute

Blegdamsvej 17 Copenhagen
Workshop Main Programme Thursday Afternoon

Speaker

Philip Armitage (University of Colorado)

Description

Simple dynamical models for planet formation start from initial conditions in which planetesimals form across a broad range of radii in a smooth gas disk. Such conditions are hard to reconcile with current thinking, which emphasizes the primacy of aerodynamic drift, dead zones, and planetesimal formation via the streaming instability. I will discuss the possibility that most planet formation is seeded at particle traps, situated at radii where the physical conditions in the disk change abruptly. Such a model has some theoretical appeal, and I will discuss whether it could be consistent with Solar System and extrasolar planet observations.

Primary author

Philip Armitage (University of Colorado)

Presentation materials