Velocity-induced Acoustic Oscillations at Cosmic Dawn

  title={Velocity-induced Acoustic Oscillations at Cosmic Dawn},
  author={Julian B. Mu{\~n}oz},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
  • Julian B. Muñoz
  • Published 2019
  • Physics
  • arXiv: Cosmology and Nongalactic Astrophysics
The redshifted 21-cm line of hydrogen holds great potential for the study of cosmology, as it can probe otherwise unobservable cosmic epochs. In particular, measurements of the 21-cm power spectrum during cosmic dawn---the era when the first stars were formed---will provide us with a wealth of information about the astrophysics of stellar formation, as well as the origin of fluctuations in our Universe. In addition to their usually considered density fluctuations, dark matter and baryons… Expand
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