Event type
Event date
Venue
GAP room
Speaker
Nelson Nunes (CAUL, Lisbon U.)
Abstract: Three-forms can give rise to viable cosmological scenarios of inflation and dark energy with potentially observable signatures distinct from standard single scalar field models. When applied to inflation, a three-form can provide a scale invariant scalar perturbations power spectrum and I will discuss the effect on primordial non-gaussianity. Finally I will discuss a three-form as dark energy and consider a coupling to cold dark matter.