Testing the nature of dark compact objects: a status report

V Cardoso, P Pani - Living Reviews in Relativity, 2019 - Springer
Very compact objects probe extreme gravitational fields and may be the key to understand
outstanding puzzles in fundamental physics. These include the nature of dark matter, the …

Black holes, gravitational waves and fundamental physics: a roadmap

L Barack, V Cardoso, S Nissanke… - … and quantum gravity, 2019 - iopscience.iop.org
70 AIM, UMR 7158, CEA/DRF, CNRS, Université Paris Diderot, Irfu/Service d'Astrophysique,
Centre de Saclay, FR-91191 Gif-sur-Yvette, France

First Sagittarius A* event horizon telescope results. VI. Testing the black hole metric

K Akiyama, A Alberdi, W Alef, JC Algaba… - The Astrophysical …, 2022 - iopscience.iop.org
Astrophysical black holes are expected to be described by the Kerr metric. This is the only
stationary, vacuum, axisymmetric metric, without electromagnetic charge, that satisfies …

Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A

S Vagnozzi, R Roy, YD Tsai, L Visinelli… - … and Quantum Gravity, 2023 - iopscience.iop.org
Horizon-scale images of black holes (BHs) and their shadows have opened an
unprecedented window onto tests of gravity and fundamental physics in the strong-field …

First Sagittarius A* Event Horizon Telescope Results. VI: Testing the Black Hole Metric

Event Horizon Telescope Collaboration - arXiv preprint arXiv …, 2023 - arxiv.org
Astrophysical black holes are expected to be described by the Kerr metric. This is the only
stationary, vacuum, axisymmetric metric, without electromagnetic charge, that satisfies …

Quasinormal modes, stability and shadows of a black hole in the 4D Einstein–Gauss–Bonnet gravity

RA Konoplya, AF Zinhailo - The European Physical Journal C, 2020 - Springer
Recently a D-dimensional regularization approach leading to the non-trivial (3+ 1)(3+ 1)-
dimensional Einstein–Gauss–Bonnet (EGB) effective description of gravity was formulated …

Tests for the existence of black holes through gravitational wave echoes

V Cardoso, P Pani - Nature Astronomy, 2017 - nature.com
The existence of black holes and spacetime singularities is a fundamental issue in science.
Despite this, observations supporting their existence are scarce, and their interpretation is …

[HTML][HTML] Shadow of a black hole surrounded by dark matter

RA Konoplya - Physics Letters B, 2019 - Elsevier
We consider a simple spherical model consisting of a Schwarzschild black hole of mass M
and a dark matter of mass ΔM around it. The general formula for the radius of black-hole …

Shadow and quasinormal modes of a rotating loop quantum black hole

C Liu, T Zhu, Q Wu, K Jusufi, M Jamil, M Azreg-Aïnou… - Physical Review D, 2020 - APS
In this paper, we construct an effective rotating loop quantum black hole (LQBH) solution,
starting from the spherical symmetric LQBH by applying the Newman-Janis algorithm …

Testing the nature of Gauss–Bonnet gravity by four-dimensional rotating black hole shadow

SW Wei, YX Liu - The European Physical Journal Plus, 2021 - Springer
The recent discovery of the novel four-dimensional static and spherically symmetric Gauss–
Bonnet black hole provides a promising bed to test Gauss–Bonnet gravity by using …