51 citations · 273 across the 29 of their papers we have counts for
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Quasi-periodic oscillations in Letelier black holes within Kalb-Ramond gravity embedded in a uniform external magnetic field
Ahmad Al-Badawi, Shokhzod Jumaniyozov
We investigate the dynamics of charged test particles around a Letelier black hole, i.e. a black hole surrounded by a cloud of strings (CoS), in Kalb-Ramond (KR) gravity, immersed…
Simpson-Visser regularization of the quantum Oppenheimer-Snyder-Datt black hole
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
We study the spherical geometry from the Simpson-Visser prescription to the quantum Oppenheimer-Snyder-Datt (qOSD) black hole of loop quantum cosmology, whose…
Horizon Structure and Geodesic Properties of Simpson-Visser Black Holes in Einstein-Euler-Heisenberg Theory
Ahmad Al-Badawi
We investigate a regularized charged black hole (BH) spacetime constructed by applying the Simpson-Visser (SV) prescription to a BH in Einstein-Euler-Heisenberg (EEH) theory. The r…
Particle Dynamics and Thermodynamics of a Charged-Like Hairy Black Hole in Extended Gravitational Decoupling
M. Zeeshan Gul, Ahmad Al-Badawi, J. Andrade +1
This work focuses on the analysis of particle dynamics and the thermodynamic properties associated with a particular branch of hairy black hole solutions. These solutions are obtai…
Geodesics and thermodynamics of a -deformed anti-de Sitter black hole surrounded by a quintessence field
Faizuddin Ahmed, Ahmad Al-Badawi, Izzet Sakalli +1
We investigate the geodesic structure and thermodynamics of a -deformed Schwarzschild-anti-de Sitter black hole in a Kiselev quintessence field, where dynamics are governed by a…
An exact dyonic black hole at the integrable locus of quadratic nonlinear electrodynamics
Faizuddin Ahmed, Ahmad Al-Badawi, Izzet Sakalli
We obtain an exact dyonic black-hole solution in quadratic nonlinear electrodynamics defined by on the special locus . At this locus, the radial dependenc…
Particle dynamics and quasi-periodic oscillations of a Reissner--Nordström-like black hole in Kalb--Ramond gravity under an external magnetic test field
Faizuddin Ahmed, Ahmad Al-Badawi, Sardor Murodov +2
We investigate the dynamics of charged test particles and quasi-periodic oscillations around a Reissner--Nordström-like black hole in Kalb--Ramond (KR) gravity in the presence of a…
MCMC Constraints on Dyonic Kalb-Ramond Black Holes with a Cloud of Strings from Twin-Peak QPOs and EHT Shadows
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
We study a dyonic black hole in a Lorentz-violating gravity that carries a background Kalb--Ramond field and is pierced by a cloud of strings. The resulting metric reduces to the r…
Are Petrov type-N and D spacetimes admitting CTCs valid in gravity?
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
We ask whether two classical time-machine geometries, the Ori (2005) compact-vacuum-core metric and the Ahmed (2018) four-dimensional generalisation of Misner space, remain admissi…
Transfer observables of rotating acoustic black holes from ray tracing: shadow centroid, redshift asymmetry and flux imbalance
Faizuddin Ahmed, Ahmad Al-Badawi, Fernando M. Belchior +1
We construct an impact-parameter-resolved transfer framework for null acoustic rays in the rotating draining-bathtub spacetime. The formalism separates the source-independent ray g…
Particle Dynamics, Shadow and Hawking Sparsity of a Kalb-Ramond Black Hole Coupled to Nonlinear Electrodynamics
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
We study the timelike and null geodesic structure of a static, spherically symmetric black hole sourced by a Kalb--Ramond (KR) field coupled to nonlinear electrodynamics (NED). The…
Thermodynamics and optical aspects of ModMax black holes in higher order curvature gravity with quintessence dark energy
Ahmad Al-Badawi, Usman Zafar, Abdul Jawad +1
In this work, we derive an exact black hole solution in higher-order curvature gravity by coupling an electromagnetic sector formulated within the ModMax framework to a quintessenc…
Thermodynamics and shadow of Simpson-Visser black hole with phantom global monopoles
Ahmad Al-Badawi
We investigate the thermodynamics and shadow of a non-rotating Simpson Visser black hole with a phantom global monopole. The model is governed by three parameters: the coupling con…
Letelier black hole immersed in an electromagnetic universe
Ahmad Al-Badawi, Faizuddin Ahmed, İzzet Sakallı
We investigate a static, spherically symmetric black hole solution surrounded by a cloud of strings and immersed in an electromagnetic universe. By deriving the event horizon from…
The shadow of black holes in -ModMax theory with cosmic strings
Ahmad Al-Badawi
This work explores the shadow of a black hole within the framework of -ModMax gravity coupled with a cloud of strings. The Einstein field equations are solved for a nonlinear…
Particle Dynamics and Thermal Properties in Kalb-Ramond ModMax Black Holes: Theoretical Predictions for Observational Tests of Exotic Physics
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
We present a comprehensive theoretical study of geodesic motion and thermodynamic behavior in Kalb--Ramond (KR) black hole (BH) spacetimes sourced by ModMax electrodynamics. Both n…
Geodesics and scalar perturbations of Schwarzschild black holes embedded in a Dehnen-type dark matter halo with quintessence
B. Hamil, Ahmad Al-Badawi, B. C. Lütfüoğlu
We perform a thorough analysis into a Schwarzschild black hole embedded in a Dehnen-type dark matter halo with a quintessential field. We develop the composite spacetime metric and…
AdS Black String in a Cosmic Web: Geodesics, Shadows, and Thermodynamics
Faizuddin Ahmed, Ahmad Al-Badawi, Izzet Sakallı
In a recent article (Ref. \cite{AOP}), the authors obtained a static, cylindrically symmetric Anti-de Sitter (AdS) black string (BS) solutions, which are cylindrical generalization…
Gravitational Lensing Phenomena of Ellis-Bronnikov-Morris-Thorne Wormhole with Global Monopole and Cosmic String
Faizuddin Ahmed, İzzet Sakallı, Ahmad Al-Badawi
In this paper, we theoretically investigate gravitational lensing within the space-time framework of traversable wormholes, focusing on the combined effects of a global monopole an…
The static charged black holes with Weyl corrections
Ahmad Al-Badawi, izzet Sakalli
This study investigates static charged black holes with Weyl corrections to the Einstein-Maxwell action. By extending the classical solutions, we incorporate the influence of the W…
A new black hole coupled with nonlinear electrodynamics surrounded by quintessence: Thermodynamics, Geodesics, and Regge-Wheeler Potential
Ahmad Al-Badawi, Faizuddin Ahmed
We present a new exact solution to the gravitational field equations, where nonlinear electrodynamics (NLED) serves as the matter source in the presence of a quintessence field (QF…
Astrophysical properties of static black holes embedded in a Dehnen type dark matter halo with the presence of quintessential field
Ahmad Al-Badawi, Sanjar Shaymatov
From an astrophysical perspective, the composition of black holes (BHs), dark matter (DM), and dark energy can be an intriguing physical system. In this study, we consider Schwarzs…
Quasinormal modes and shadow of Schwarzschild black holes embedded in a Dehnen type dark matter halo exhibiting string cloud
Ahmad Al-Badawi, Sanjar Shaymatov
In this paper, we consider a static spherically symmetric black hole (BH) embedded in a Dehnen-(1,4,0) type dark matter (DM) halo in the presence of a cloud string. We examine and…
Schwarzschild Black Hole in Galaxies Surrounded by a Dark Matter Halo
Ahmad Al-Badawi, Sanjar Shaymatov, Yassine Sekhmani
In this paper, we derive a novel Schwarzschild-like black hole (BH) solution describing a static and asymptotically flat BH surrounded by a dark matter (DM) halo with a Dehnen-type…