101 citations · 728 across the 46 of their papers we have counts for
4 papers · 1 filter
Scalar Dark Matter Production from Preheating and Structure Formation Constraints
Marcos A. G. Garcia, Mathias Pierre, Sarunas Verner
We investigate the out-of-equilibrium production of scalar dark matter (DM) from the inflaton condensate during inflation and reheating. We assume that this scalar couples only to…
Gravitational Portals with Non-Minimal Couplings
Simon Clery, Yann Mambrini, Keith A. Olive +2
We consider the effects of non-minimal couplings to curvature of the form , for three types of scalars: the Higgs boson, the inflaton, and a scalar dark matter candidate…
Gravitational portals in the early Universe
Simon Clery, Yann Mambrini, Keith A. Olive +1
We consider the production of matter and radiation during reheating after inflation, restricting our attention solely to gravitational interactions. Processes considered are the ex…
BICEP/Keck Constraints on Attractor Models of Inflation and Reheating
John Ellis, Marcos A. G. Garcia, Dimitri V. Nanopoulos +2
Recent BICEP/Keck data on the cosmic microwave background, in combination with previous WMAP and Planck data, impose strong new constraints on the tilt in the scalar perturbation s…