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Gravitational Waves and Primordial Black Hole Dark Matter

Apr. 19 - 14:30 - 2018

Title: Gravitational Waves and Primordial Black Hole Dark Matter

Speaker: Martti Raidal (National Institute of Chemical Physics and Biophysics, Tallinn, Estonia)

Abstract: I merge three ingredients, the gravitational wave events observed by LIGO, the (not yet observed) stochastic gravitational wave background and the predicted non-monochromatic mass spectrum of primordial black holes produced by inflation, in order to study whether those objects can constitute the dark matter of the Universe. I also discuss possible ways to alleviate the present constraints on primordial black hole population, for example by assuming primordial wormhole dark matter.

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