New Developments in Cosmology

por Stefano Gariazzo

miércoles 27 abr. 2016 12:00 → 13:00 Europe/Madrid

Seminario (Paterna Campus)

An additional sterile neutrino, motivated by the short-baseline oscillation anomalies, is introduced in cosmology. Its effects on the cosmological observables are described and used to derive constraints on the sterile neutrino properties, using CMB data and other cosmological measurements. The degeneracies of the effects of the additional neutrino with the power spectrum of the primordial perturbations are tested. Finally, an effective interaction between dark energy and dark matter is studied.