Quasinormal modes of black holes: From astrophysics to string theory

RA Konoplya, A Zhidenko - Reviews of Modern Physics, 2011 - APS
Perturbations of black holes, initially considered in the context of possible observations of
astrophysical effects, have been studied for the past 10 years in string theory, brane-world …

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 …

Orbital motion and epicyclic oscillations around Bardeen black hole surrounded by perfect fluid dark matter

Y Feng, A Ashraf, S Mumtaz, SK Maurya… - Journal of High Energy …, 2024 - Elsevier
We study the orbital and oscillatory motion of test particles moving around a rotating
Bardeen black hole immersed in perfect fluid dark matter. We obtain the analytical solutions …

Topological AdS black holes surrounded by Chaplygin dark fluid: From stability to geometrothermodynamic analysis

Y Sekhmani, GG Luciano, J Rayimbaev… - Physics of the Dark …, 2024 - Elsevier
Implementing the concept of Dark Fluid with a Chaplygin-like equation of state within
General Relativity, we construct a new higher-dimensional, static, and spherically symmetric …