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Rapid growth of gas-giant cores by pebble accretion
Michiel Lambrechts, Anders Johansen
The observed lifetimes of gaseous protoplanetary discs place strong constraints on gas and ice giant formation in the core accretion scenario. The approximately 10-Earth-mass solid…
Can planetary instability explain the Kepler dichotomy?
Anders Johansen, Melvyn B. Davies, Ross P. Church +1
The planet candidates discovered by the Kepler mission provide a rich sample to constrain the architectures and relative inclinations of planetary systems within approximately 0.5…
Magnetically-levitating disks around supermassive black holes
Evghenii Gaburov, Anders Johansen, Yuri Levin
In this paper we report on the formation of magnetically-levitating accretion disks around supermassive black holes. The structure of these disks is calculated by numerically model…