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gr-qc2026
Hawking emission of massive vector fields by Kerr black holes
Marco Calzà, Miguel Faria, Yuber F. Perez-Gonzalez +1
We compute, for the first time, the Hawking emission spectrum of massive vector (Proca) fields by spinning Kerr black holes, determining the associated greybody factors and the res…
gr-qc2025
From scalar clouds around evaporating black holes to boson star
Daniel Neves, João G. Rosa
We study, for the first time, the evolution of a scalar cloud bound to an evaporating black hole. Our simulations of the associated Schrödinger-Poisson system for non-relativistic…
gr-qc2023
Determining the spin of light primordial black holes with Hawking radiation II: high spin regime
Marco Calzà, João G. Rosa
We propose a method to determine the mass and spin of primordial black holes based on measuring the energy and emission rate at the dipolar and quadrupolar peaks in the primary pho…