Speaker
Antonio Junior Iovino
(Università di Roma "La Sapienza")
Description
Primordial black holes (PBHs) are currently in the spotlight as they may solve several open questions in astrophysics and cosmology.
We describe an exact formalism for the computation of the abundance of PBHs in the presence of local non-gaussianity (NG).
Then, we describe the phenomenological relevance of our results for the connection between the abundance of PBHs and the
stochastic gravitational wave (GW) background related to their formation. As NGs modify the amplitude of perturbations necessary to produce a given PBHs abundance, modelling these effects is crucial to connect the PBH scenario to its signatures at current and future GWs experiments such as the recent data release by PTA collaborations
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Author
Antonio Junior Iovino
(Università di Roma "La Sapienza")
Co-authors
Alfredo Urbano
Mrs
Gabriele Franciolini
Hardi Veermäe
(National Institute of Chemical Physics and Biophysics (EE))
Dr
Ville Vaskonen
