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Searching for ringdown higher modes with a numerical relativity-informed post-merger model
Vasco Gennari, Gregorio Carullo, Walter Del Pozzo
Robust measurements of multiple black hole vibrational modes provide a unique opportunity to characterise gravity in extreme curvature and dynamical regimes, to better investigate…
Bounds on tidal charges from gravitational-wave ringdown observations
Akash K Mishra, Gregorio Carullo, Sumanta Chakraborty
Black hole solutions in the braneworld scenario are predicted to possess a tidal charge parameter, leaving imprints in the quasinormal spectrum. We conduct an extensive computation…
Reply to Comment on "Analysis of Ringdown Overtones in GW150914"
Gregorio Carullo, Roberto Cotesta, Emanuele Berti +1
In this Reply we include the corrections suggested in the Comment [Phys. Rev. Lett. 131, 169001]. We show that their impact on our results is small, and that the overall conclusion…
Late-time tails in nonlinear evolutions of merging black hole binaries
Gregorio Carullo, Marina De Amicis
We study nonlinear evolutions of binary black hole mergers, uncovering power-law contributions generated by the long-range behaviour of the highly-curved dynamical spacetime. The r…
Pre/post-merger consistency test for gravitational signals from binary neutron star mergers
Matteo Breschi, Gregorio Carullo, Sebastiano Bernuzzi
Gravitational waves from binary neutron star (BNS) mergers can constrain nuclear matter models predicting the neutron star's equation of state (EOS). Matter effects on the inspiral…