424 citations · 1.2k across the 21 of their papers we have counts for
21 papers
On the Tremaine-Gunn Limit with Mass-Varying Particles
Lotfi Boubekeur, Stefano Profumo
General classical arguments on the time evolution of the phase-space density can be used to derive constraints on the mass of particle candidates for the cosmological dark matter (…
The running of featureful primordial power spectra
Stefano Gariazzo, Olga Mena, Victor Miralles +2
Current measurements of the temperature and polarization anisotropy power spectra of the Cosmic Microwave Background (CMB) seem to indicate that the naive expectation for the slow-…
Primordial power spectrum features in phenomenological descriptions of inflation
Stefano Gariazzo, Olga Mena, Hector Ramirez +1
We extend an alternative, phenomenological approach to inflation by means of an equation of state and a sound speed, both of them functions of the number of -folds and four phen…
The present and future of the most favoured inflationary models after 2015
Miguel Escudero, Héctor Ramírez, Lotfi Boubekeur +2
The value of the tensor-to-scalar ratio in the region allowed by the latest 2015 measurements can be associated to a large variety of inflationary models. We discuss h…
Does Current Data Prefer a Non-minimally Coupled Inflaton?
Lotfi Boubekeur, Elena Giusarma, Olga Mena +1
We examine the impact of a non-minimal coupling of the inflaton to the Ricci scalar, , on the inflationary predictions. Such a non-minimal coupling is expected to be…
Phenomenological approaches of inflation and their equivalence
Lotfi Boubekeur, Elena Giusarma, Olga Mena +1
In this work, we analyze two possible alternative and model-independent approaches to describe the inflationary period. The first one assumes a general equation of state during inf…