Disc fragmentation and oligarchic growth of protostellar systems in low-metallicity gas clouds

@article{Chiaki2021DiscFA,
  title={Disc fragmentation and oligarchic growth of protostellar systems in low-metallicity gas clouds},
  author={Gen Chiaki and Naoki Yoshida},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2021}
}
  • G. Chiaki, N. Yoshida
  • Published 13 August 2020
  • Physics
  • Monthly Notices of the Royal Astronomical Society
We study low-metallicity star formation with a set of high-resolution hydrodynamics simulations for various gas metallicities over a wide range 0–$10^{-3} \ {\rm Z_{\bigodot }}$. Our simulations follow non-equilibrium chemistry and radiative cooling by adopting realistic elemental abundance and dust size distribution. We examine the condition for the fragmentation of collapsing clouds (cloud fragmentation; CF) and of accretion discs (disc fragmentation; DF). We find that CF is suppressed due… Expand
Dynamical evolution of population III stellar systems and the resulting binary statistics
We use N-body simulations to study the dynamical evolution of Population III (Pop III) stellar systems and the resulting binary statistics. We design a physically-motivated framework for the initialExpand

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