Gravitational signatures of a non–commutative stable black hole

N Heidari, H Hassanabadi, AA Araújo Filho… - Physics of the Dark …, 2023 - Elsevier
This work investigates several key aspects of a non–commutative theory with mass
deformation. We calculate thermodynamic properties of the system and compare our results …

Tests of loop quantum gravity from the event horizon telescope results of Sgr A

M Afrin, S Vagnozzi, SG Ghosh - The Astrophysical Journal, 2023 - iopscience.iop.org
Abstract The Event Horizon Telescope (EHT) collaboration's image of the compact object at
the Galactic center is the first direct evidence of the supermassive black hole (BH) Sgr A …

Gravitational traces of bumblebee gravity in metric–affine formalism

AA Araújo Filho, H Hassanabadi… - … and Quantum Gravity, 2024 - iopscience.iop.org
This work explores various manifestations of bumblebee gravity within the metric–affine
formalism. We investigate the impact of the Lorentz violation parameter, denoted as X, on …

Analysis of a regular black hole in verlinde's gravity

AA Araújo Filho - Classical and Quantum Gravity, 2023 - iopscience.iop.org
This work focuses on the examination of a regular black hole within Verlinde's emergent
gravity, specifically investigating the Hayward-like (modified) solution. The study reveals the …

Quasinormal modes of scale dependent black holes in ()-dimensional Einstein-power-Maxwell theory

Á Rincón, G Panotopoulos - Physical Review D, 2018 - APS
We study for the first time the stability against scalar perturbations, and we compute the
spectrum of quasinormal modes of three-dimensional charged black holes in Einstein-power …

[HTML][HTML] Implications of a Simpson–Visser solution in Verlinde's framework

A AA Filho - The European Physical Journal C, 2024 - Springer
This study focuses on investigating a regular black hole within the framework of Verlinde's
emergent gravity. In particular, we explore the main aspects of the modified Simpson–Visser …

Shadow and stability of quantum-corrected black holes

J Yang, C Zhang, Y Ma - The European Physical Journal C, 2023 - Springer
Abstract Recently the quantum Oppenheimer–Snyder gravitational collapse model has been
proposed in loop quantum gravity, providing quantum-corrected Schwarzschild spacetimes …

A consistent model of non-singular Schwarzschild black hole in loop quantum gravity and its quasinormal modes

M Bouhmadi-López, S Brahma, CY Chen… - … of Cosmology and …, 2020 - iopscience.iop.org
We investigate the interior structure, perturbations, and the associated quasinormal modes
of a quantum black hole model recently proposed by Bodendorfer, Mele, and Münch (BMM) …

Quasinormal spectra of scale-dependent Schwarzschild–de Sitter black holes

G Panotopoulos, Á Rincón - Physics of the Dark Universe, 2021 - Elsevier
We compute the quasinormal spectra for scalar, Dirac and electromagnetic perturbations of
the Schwarzschild–de Sitter geometry in the framework of scale-dependent gravity, which is …

Thermodynamics of a class of regular black holes with a generalized uncertainty principle

RV Maluf, JCS Neves - Physical Review D, 2018 - APS
In this article, we present a study on thermodynamics of a class of regular black holes. Such
a class includes Bardeen and Hayward regular black holes. We obtained thermodynamic …