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Holography for CosmologyAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Baojiu Li. We present a holographic description of four-dimensional single-scalar inflationary universes in terms of a three-dimensional quantum field theory. The holographic description correctly reproduces standard inflationary predictions in their regime of applicability. In the opposite case, wherein gravity is strongly coupled at early times, we propose a holographic description in terms of perturbative QFT and present models capable of satisfying the current observational constraints while exhibiting a phenomenology distinct from standard inflation. This provides a qualitatively new method for generating a nearly scale-invariant spectrum of primordial cosmological perturbations. This talk is part of the Wednesday HEP-GR Colloquium series. This talk is included in these lists:
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