383 citations · 3k across the 62 of their papers we have counts for
4 papers · 1 filter
Untangling features in the primordial spectra
Gonzalo A. Palma
We discuss the possible existence of features in both the primordial power spectrum and bispectrum generated during a stage of single field cosmic inflation. We argue that there ar…
B-modes and the sound speed of primordial fluctuations
Gonzalo A. Palma, Alex Soto
It was recently shown that a large value of the tensor to scalar ratio implies a constraint on the minimum value of the sound speed of primordial curvature perturbations…
On the dynamics of fluctuations in time crystals
Esteban Castillo, Benjamin Koch, Gonzalo Palma
We study the evolution of quantum fluctuations in systems known as time crystals, hypothetical systems for which the lowest energy state performs a periodic motion. We first discus…
On degenerate models of cosmic inflation
Rhiannon Gwyn, Gonzalo A. Palma, Mairi Sakellariadou +1
In this article we discuss the role of current and future CMB measurements in pinning down the model of inflation responsible for the generation of primordial curvature perturbatio…