From the 2 of 4 linked papers with an AI index.
4 papers
Discrete symmetries of modified Teukolsky equations
Ciro De Simone
The paper investigates how modifications to the Teukolsky potential change its discrete symmetry properties, breaking the m=0 degeneracy of black‑hole quasinormal modes, and demons…
Parametrized beyond-Teukolsky framework in the time domain
Ciro De Simone, Sebastian H. Völkel, Kostas D. Kokkotas +1
The authors develop a time‑domain implementation of the parametrized beyond‑Teukolsky framework to study how modifications to General Relativity affect black‑hole perturbations, an…
Confronting eikonal and post-Kerr methods with numerical evolution of scalar field perturbations in spacetimes beyond Kerr
Ciro De Simone, Sebastian H. Völkel, Kostas D. Kokkotas +2
The accurate computation of quasinormal modes from rotating black holes beyond general relativity is crucial for testing fundamental physics with gravitational waves. In this study…
Toward a unified view of agnostic parametrizations for deformed black holes
Manuel Del Piano, Ciro De Simone, Mattia Damia Paciarini +4
A variety of robust and effective descriptions have been devised to extract model-independent information about the fundamental properties of black holes from observational data wh…