The Reionization of the Universe and the Photoevaporation of Cosmological Minihalos

Details The Reionization of the Universe and the Photoevaporation of Cosmological Minihalos The Reionization of the Universe and the Photoevaporation of Cosmological Minihalos

2000-06-26

arxiv.org/abs/astro-ph/0006367v1

Astronomy and Astrophysics

Astrophysics

To appear in "The Seventh Texas-Mexico Conference on Astrophysics: Flows, Blows, and Glows," eds. W. Lee and S. Torres-Peimber

Scientific paper

The first sources of ionizing radiation to condense out of the dark and neutral IGM sent ionization fronts sweeping outward through their surroundings, overtaking other condensed objects and photoevaporating them. This feedback of universal reionization on cosmic structure formation is demonstrated here by gas dynamical simulations, including radiative transfer, for a cosmological minihalo of dark matter and baryons exposed to an external source of ionizing radiation, either starlight or quasar light, just after the passage of the global ionization front created by the source.

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