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Ring shaped dust accumulation in transition disks
P. Pinilla, M. Benisty, T. Birnstiel
Context.Transition disks are believed to be the final stages of protoplanetary disks, during which a forming planetary system or photoevaporation processes open a gap in the inner…
Can grain growth explain transition disks?
T. Birnstiel, S. M. Andrews, B. Ercolano
Aims: Grain growth has been suggested as one possible explanation for the diminished dust optical depths in the inner regions of protoplanetary "transition" disks. In this work, we…
A simple model for the evolution of the dust population in protoplanetary disks
T. Birnstiel, H. Klahr, B. Ercolano
Context: The global size and spatial distribution of dust is an important ingredient in the structure and evolution of protoplanetary disks and in the formation of larger bodies, s…
Planetesimal formation by sweep-up: How the bouncing barrier can be beneficial to growth
Fredrik Windmark, Til Birnstiel, Carsten Güttler +3
The formation of planetesimals is often accredited to collisional sticking of dust grains. The exact process is unknown, as collisions between larger aggregates tend to lead to fra…