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 …

Influence of three parameters on maximum mass and stability of strange star under linear f(Q) − action

SV Lohakare, SK Maurya, KN Singh… - Monthly Notices of …, 2023 - academic.oup.com
This study simulates strange stars in f (Q) gravity with an additional source under an electric
field using gravitational decoupling by means of the complete geometric deformation (CGD) …

Gravitational decoupling for axially symmetric systems and rotating black holes

E Contreras, J Ovalle, R Casadio - Physical Review D, 2021 - APS
We introduce a systematic and direct procedure to generate hairy rotating black holes by
deforming a spherically symmetric seed solution. We develop our analysis in the context of …

Role of Rastall gravity in constructing new spherically symmetric stellar solutions

T Naseer - Physics of the Dark Universe, 2024 - Elsevier
This paper formulates new stellar solutions corresponding to a static spherical spacetime
through the minimal gravitational decoupling in the context of Rastall theory. For this, we …

Exploring physical properties of minimally deformed strange star model and constraints on maximum mass limit in f (𝒬) gravity

SK Maurya, G Mustafa, M Govender… - Journal of Cosmology …, 2022 - iopscience.iop.org
Our current investigation is inherently linked to the observations of gravitational waves from
the GW190814 event which suggests that the source of the signals can be ascribed to a …

Circular orbits and accretion disk around AdS black holes surrounded by dark fluid with Chaplygin-like equation of state

G Mustafa, SK Maurya, A Ditta, S Ray… - The European Physical …, 2024 - Springer
In the present work we study the geodesic motion and accretion process of a test particle
near an Anti-de Sitter (ADS) BH surrounded by a dark fluid with a Chaplygin-like equation …

No-hair theorem in the wake of Event Horizon Telescope

M Khodadi, G Lambiase, DF Mota - Journal of Cosmology and …, 2021 - iopscience.iop.org
Thanks to the release of the extraordinary EHT image of shadow attributed to the M87*
supermassive black hole (SMBH), we have a novel window to assess the validity of …

Analysis of some newly constructed compact models in f (R, T) theory

Y Feng, T Naseer, A Ashraf, D Sofuoğlu - Physica Scripta, 2024 - iopscience.iop.org
In this paper, black hole solutions are developed within the framework of f (R, T) gravity
through the minimal gravitational decoupling approach. By introducing a new source in the …

A simple protocol to construct solutions with vanishing complexity by Gravitational Decoupling

E Contreras, Z Stuchlik - The European Physical Journal C, 2022 - Springer
In this work we develop a simple protocol to construct interior solutions through Gravitational
Decoupling by the Minimal Gemetric Deformation extended satisfying the vanishing …

Thermal stability and effects of thermal fluctuations on the static and spherically symmetric hairy black hole by gravitational decoupling

A Ditta, F Javed, SK Maurya, G Mustafa… - Physics of the Dark …, 2023 - Elsevier
In this paper, we explore the thermodynamic aspects of the hairy black hole solution
developed by gravitational decoupling in the spherical symmetry, considering its energy …