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 …

Thin accretion disc luminosity and its image around rotating black holes in perfect fluid dark matter

M Heydari-Fard, S Ghassemi Honarvar… - Monthly Notices of …, 2023 - academic.oup.com
Motivated by the fact that the universe is dominated by dark matter and dark energy, we
consider rotating black holes surrounded by perfect fluid dark matter and study the accretion …

Gravitational lensing by a charged spherically symmetric black hole immersed in thin dark matter

XJ Gao, X Yan, Y Yin, YP Hu - The European Physical Journal C, 2023 - Springer
We investigate the gravitational lensing effect around a spherically symmetric black hole,
whose metric is obtained from the Einstein field equation with electric charge and perfect …

Investigation of circular geodesics in a rotating charged black hole in the presence of perfect fluid dark matter

A Das, A Saha, S Gangopadhyay - Classical and Quantum …, 2021 - iopscience.iop.org
In this work we have obtained a charged black hole solution in the presence of perfect fluid
dark matter (PFDM) and discuss its energy conditions. The metric corresponding to the …

Gravitational lensing of Schwarzschild and charged black holes immersed in perfect fluid dark matter halo

CK Qiao, M Zhou - Journal of Cosmology and Astroparticle …, 2023 - iopscience.iop.org
Dark matter and dark energy dominate the behavior of our universe. The dark matter usually
forms halo structures in large number of galaxies. Properties of dark matter halo can be …

Phase structure and critical behaviour of charged-AdS black holes with perfect fluid dark matter

A Kumar, A Sood, JK Singh, A Beesham… - Physics of the Dark …, 2023 - Elsevier
We get an exact nonlinear electrodynamics (NED) charged black holes endowed with the
perfect fluid dark matter (PFDM) in the AdS background-charged PFDM AdS black holes …

Bardeen black hole surrounded by perfect fluid dark matter

HX Zhang, Y Chen, TC Ma, PZ He, JB Deng - Chinese Physics C, 2021 - iopscience.iop.org
Bardeen black hole surrounded by perfect fluid dark matter - IOPscience Skip to content IOP
Science home Accessibility Help Search Journals Journals list Browse more than 100 …

Study of circular geodesics and shadow of rotating charged black hole surrounded by perfect fluid dark matter immersed in plasma

A Das, A Saha, S Gangopadhyay - Classical and Quantum …, 2022 - iopscience.iop.org
In this work, we consider a rotating charged black hole surrounded by perfect fluid dark
matter. We consider the system to be immersed in non-magnetised, pressureless plasma …

Time delay of light in the gravitational lensing of supermassive black holes in dark matter halos

CK Qiao, P Su - The European Physical Journal C, 2024 - Springer
The dark matter halo has non-negligible effects on the gravitational lensing of supermassive
black hole in the galaxy center. Our work presents a study on the time-delay of light in …

Thermodynamics and evaporation of perfect fluid dark matter black hole in phantom background

X Liang, YP Hu, CH Wu, YS An - The European Physical Journal C, 2023 - Springer
We present a novel interpretation of the thermodynamics of perfect fluid dark matter (PFDM)
black hole based on Misner–Sharp energy and then investigate its evaporation behavior …