Terrestrial Planet Formation I . The Transition from Oligarchic Growth to Chaotic Growth 1

@inproceedings{Kenyon2006TerrestrialPF,
  title={Terrestrial Planet Formation I . The Transition from Oligarchic Growth to Chaotic Growth 1},
  author={Scott J. Kenyon and B. C. Bromley},
  year={2006}
}
We use a hybrid, multiannulus, n-body–coagulation code to investigate the growth of km-sized planetesimals at 0.4–2 AU around a solar-type star. After a short runaway growth phase, protoplanets with masses of ∼ 10 26 g and larger form throughout the grid. When (i) the mass in these 'oligarchs' is roughly comparable to the mass in planetesimals and (ii) the surface density in oligarchs exceeds 2–3 g cm −2 at 1 AU, chaotic interactions among oligarchs produce a high merger rate which leads to the… CONTINUE READING

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