2 papers
astro-ph.CO2025
Reconstructing Primordial Curvature Perturbations via Scalar-Induced Gravitational Waves with LISA
Jonas El Gammal, Aya Ghaleb, Gabriele Franciolini +17
Many early universe scenarios predict an enhancement of scalar perturbations at scales currently unconstrained by cosmological probes. These perturbations source gravitational wave…
astro-ph.CO2024
Footprints of the QCD Crossover on Cosmological Gravitational Waves at Pulsar Timing Arrays
Gabriele Franciolini, Davide Racco, Fabrizio Rompineve
Pulsar Timing Arrays (PTAs) have reported evidence for a stochastic gravitational wave (GW) background at nHz frequencies, possibly originating in the early Universe. We show that…