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    Theory Colloquia

    Entropy bounds, string cosmology and our arrow of time

    by Gabriele VENEZIANO (CERN-TH)

    → Europe/Zurich
    TH Auditorium (CERN)

    TH Auditorium

    CERN
    Description
    Old and new proposals for entropy bounds are briefly reviewed and compared. In string cosmology, the relevant bound is threatened by quantum entropy production during pre-big bang inflation, making the eventual transition to a FRW Universe necessary. The rapid increase of the bound in this latter phase appears to provide our present arrow of time.