Abstract
The aim of planet population synthesis is to incorporate all physical processes from planet formation theories to arrive at a synthetic population of planets that can be compared to observations. In this way, shortcomings in the theories can be shown. In particular, planet population synthesis has to incorporate theories and models regarding (1) core accretion, (2) gas accretion, (3) planet migration and (4) disk evolution . A general problem of the core accretion scenario is that the building time of a planetary core of a few Earth masses with just the accretion of planetesimals takes longer than the lifetime of the protoplanetary disk . This time-scale problem can be overcome when taking the accretion of pebbles into account. We will review here the differences of planetesimal and pebble accretion on the formation of planets that migrate through evolving protoplanetary disks .
Notes
- 1.
The main problem here is the planetesimal isolation mass , at which the planet stops growing. It increases with the available amount of planetesimals, Eq. (12.8).
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Acknowledgements
B.B. and A.J. thank the Knut and Alice Wallenberg Foundation for their financial support. A.J. was also supported by the European Research Council (ERC Starting Grant 278675-PEBBLE2PLANET) and the Swedish Research Council (grant 2014-5775).
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Bitsch, B., Johansen, A. (2017). Planet Population Synthesis via Pebble Accretion. In: Pessah, M., Gressel, O. (eds) Formation, Evolution, and Dynamics of Young Solar Systems. Astrophysics and Space Science Library, vol 445. Springer, Cham. https://doi.org/10.1007/978-3-319-60609-5_12
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