The Origin and Evolution of the Mass-Metallicity Relationship for Galaxies: Results from Cosmological N-Body Simulations

@article{Brooks2007TheOA,
  title={The Origin and Evolution of the Mass-Metallicity Relationship for Galaxies: Results from Cosmological N-Body Simulations},
  author={Alyson M. Brooks and Fabio Governato and Craig M. Booth and B.Willman and Jeffrey P. Gardner and James Wadsley and Gregory S. Stinson and Thomas Quinn},
  journal={The Astrophysical Journal},
  year={2007},
  volume={655}
}
We examine the origin and evolution of the mass-metallicity relationship (MZR, M*-Z) for galaxies using high-resolution cosmological smoothed particle hydrodynamics (SPH) + N-body simulations that include a physically motivated description of supernova feedback and subsequent metal enrichment. We discriminate between two sources that may contribute to the origin of the MZR: (1) metal and baryon loss due to gas outflow or (2) inefficient star formation at the lowest galaxy masses. Our simulated… Expand

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