Primordial features from linear to nonlinear scales

@article{Beutler2019PrimordialFF,
  title={Primordial features from linear to nonlinear scales},
  author={F. Beutler and M. Biagetti and D. Green and A. Slosar and B. Wallisch},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
  year={2019},
  volume={1},
  pages={033209}
}
  • F. Beutler, M. Biagetti, +2 authors B. Wallisch
  • Published 2019
  • Physics
  • arXiv: Cosmology and Nongalactic Astrophysics
  • Sharp features in the primordial power spectrum are a powerful window into the inflationary epoch. To date, the cosmic microwave background (CMB) has offered the most sensitive avenue to search for these signatures. In this paper, we demonstrate the power of large-scale structure observations to surpass the CMB as a probe of primordial features. We show that the signatures in galaxy surveys can be separated from the broadband power spectrum and are as robust to the nonlinear evolution of matter… CONTINUE READING
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