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    TH Cosmo Coffee

    Bouncing Cosmologies as an Alternative to Inflation?

    by Prof. Robert Brandenberger (McGill, Montreal)

    → Europe/Zurich
    1/1-025 (CERN)

    1/1-025

    CERN

    20
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    Description
    Fluctuations exiting the Hubble radius during the contracting phase of a bouncing cosmology may, under certain conditions on the equation of state of the contracting phase, lead to a scale invariant spectrum of cosmological fluctuations.

    References:

    • A Nonsingular Cosmology with a Scale-Invariant Spectrum of Cosmological Perturbations from Lee-Wick Theory. [arXiv:0810.4677]
    • Non-Gaussianity in a Matter Bounce. [arXiv:0903.0631]
    • Thermal Fluctuations and Bouncing Cosmologies. [arXiv:0903.4938]
    Organised by

    Julien Lesgourgues