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Probing the horizon of black holes with gravitational waves

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Maggio,  Elisa
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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2310.07368.pdf
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Citation

Maggio, E. (2023). Probing the horizon of black holes with gravitational waves. In C. Pfeifer, & C. Lämmerzahl (Eds.), Modified and Quantum Gravity: From Theory to Experimental Searches on All Scales (Lecture Notes in Physics, vol 1017) (pp. 333-341). Springer.


Cite as: https://hdl.handle.net/21.11116/0000-000D-CC72-D
Abstract
Gravitational waves open the possibility to investigate the nature of compact
objects and probe the horizons of black holes. Some models of modified gravity
predict the presence of horizonless and singularity-free compact objects. Such
dark compact objects would emit a gravitational-wave signal which differs from
the standard black hole scenario. In this chapter, we overview the
phenomenology of dark compact objects by analysing their characteristic
frequencies in the ringdown and the emission of gravitational-wave echoes in
the postmerger signal. We show that future gravitational-wave detectors will
allow us to perform model-independent tests of the black hole paradigm.