How Small Were the First Cosmological Objects?

@article{Tegmark1996HowSW,
  title={How Small Were the First Cosmological Objects?},
  author={Max Tegmark and Joseph I. Silk and Martin J. Rees and Alain Blanchard and Tom Abel and Francesco Palla},
  journal={The Astrophysical Journal},
  year={1996},
  volume={474},
  pages={1 - 12}
}
The minimum mass that a virialized gas cloud must have in order to be able to cool in a Hubble time is computed, using a detailed treatment of the chemistry of molecular hydrogen. With a simple model for halo profiles, we reduce the problem to that of numerically integrating a system of chemical equations. The results agree well with numerically expensive three-dimensional simulations, and our approach has the advantage of being able to explore large regions of parameter space rapidly. The… 

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