370 citations · 823 across the 12 of their papers we have counts for
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astro-ph.CO2019★ 47 cited
Nonlinear perturbations from axion-gauge fields dynamics during inflation
Alexandros Papageorgiou, Marco Peloso, Caner Unal
We study a variant of the Chromo-Natural Inflation (CNI) mechanism in which the inflaton interacts only gravitationally with the CNI fields. Integrating out all the non-dynamical s…
astro-ph.CO2019★ 174 cited
The Ineludible non-Gaussianity of the Primordial Black Hole Abundance
V. De Luca, G. Franciolini, A. Kehagias +3
We study the formation of primordial black holes when they are generated by the collapse of large overdensities in the early universe. Since the density contrast is related to the…