Speaker
António Morais
(University of Aveiro)
Description
We discuss strongly supercooled first-order phase transitions in conformal neutrino mass U(1) models. These transitions can generate a detectable stochastic gravitational wave background (SGWB) observable in a wide range of frequencies by LIGO, LISA, and the Einstein Telescope. Strong supercooling can also lead to primordial black hole (PBH) formation if the transition is sufficiently long-lasting. We explore the conditions under which an observable SGWB could be associated with PBHs constituting all dark matter, and discuss possible connections to the underlying high-energy physics.
Author
António Morais
(University of Aveiro)
