Photoevaporation of Cosmological Minihalos during Reionization

  title={Photoevaporation of Cosmological Minihalos during Reionization},
  author={Paul R. Shapiro and Ilian Iliev and A. C. Raga},
Energy released by a small fraction of the baryons in the universe, which condensed out while the IGM was cold, dark, and neutral, reheated and reionized it by redshift 6, exposing other baryons already condensed into dwarf-galaxy minihalos to the glare of ionizing radiation. We present the first gas dynamical simulations of the photoevaporation of cosmological minihalos overtaken by the ionization fronts which swept through the IGM during the reionization epoch in the currently-favored ΛCDM… CONTINUE READING


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