Radiative Transfer in a Clumpy Universe. III. The Nature of Cosmological Ionizing Sources

@article{Madau1999RadiativeTI,
  title={Radiative Transfer in a Clumpy Universe. III. The Nature of Cosmological Ionizing Sources},
  author={P. Madau and F. Haardt and M. Rees},
  journal={The Astrophysical Journal},
  year={1999},
  volume={514},
  pages={648-659}
}
  • P. Madau, F. Haardt, M. Rees
  • Published 1999
  • Physics
  • The Astrophysical Journal
  • The history of the transition from a neutral intergalactic medium (IGM) to one that is almost fully ionized can reveal the character of cosmological ionizing sources. We study the evolution of the volume filling factors of H II and He III regions in a clumpy IGM and discuss the implications for rival reionization scenarios of the rapid decline observed at z3 in the space density of optical and radio-loud quasars and of the large population of star-forming galaxies recently discovered at the… CONTINUE READING

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