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The CMB bispectrum from bouncing cosmologies

Paola C. M. Delgado, Ruth Durrer, Nelson Pinto-Neto

13/8/21 Published in : arXiv:2108.06175

In this paper we compute the CMB bispectrum for bouncing models motivated by Loop Quantum Cosmology. Despite the fact that the primordial bispectrum of these models is decaying exponentially above a large pivot scale, we find that the cumulative signal-to-noise ratio of the bispectrum induced in the CMB from scales \ell < 30 is larger than 10 in all cases of interest and therefore can, in principle, be detected in the Planck data.

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Phase I & II research project(s)

  • String Theory
  • Field Theory

Dimensional Reduction in Complex Living Systems: Where, Why, and How

Supercritical percolation on graphs of polynomial growth

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The National Centres of Competence in Research (NCCRs) are a funding scheme of the Swiss National Science Foundation

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