260 citations · 623 across the 35 of their papers we have counts for
28 papers · 1 filter
Spin-(, , ) Field Perturbations, Quasinormal Modes, Overtones, Greybody Factors and Strong Cosmic Censorship of Einstein-Skyrme Black Holes
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
We carry out a multi-spin perturbation-theory study of the four-dimensional Einstein-Skyrme (ES) anti-de Sitter (AdS) black hole (BH), whose lapse inhe…
Shadow, Sparsity of Radiation and Energy Emission Rate in Skyrmion Black Holes
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
We examine several observable optical properties of a Skyrmion black hole (BH), focusing on the photon sphere, BH shadow, and photon trajectories. The Skyrme term, along with other…
-- criticality, Joule--Thomson expansion, and holographic heat engine of charged Hayward-AdS black holes with a cloud of strings and perfect fluid dark matter
Ahmad Al-Badawi, Faizuddin Ahmed, İzzet Sakallı
We construct the charged Hayward-anti-de Sitter (AdS) black hole (BH) with a cloud of strings (CS) and perfect fluid dark matter (PFDM), and analyze its extended thermodynamic phas…
Probing the Charged Hayward Black Hole in Dark Matter and String Cloud Environments through Shadow, Geodesics, and Quasinormal Spectrum
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
We construct a charged Bardeen black hole (BH) surrounded by perfect fluid dark matter (PFDM) and coupled to a cloud of strings (CS). The metric function combines the magnetic mono…
Observational signatures of charged Bardeen black holes in perfect fluid dark matter with a cloud of strings
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
We construct a charged Bardeen black hole (BH) surrounded by perfect fluid dark matter (PFDM) and coupled to a cloud of strings (CS). The metric function combines the magnetic mono…
Effects of spontaneous Lorentz Symmetry breaking on Letelier-AdS charged black holes within Kalb-Ramond gravity
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
In this study, we investigate the geodesic motion of massless particles -- specifically photons -- in the spacetime of a charged anti-de Sitter (AdS) black hole (BH) surrounded by…
Optical appearance, Hawking radiation, and Barrow thermodynamics of Letelier black hole in electromagnetic universe
İzzet Sakallı, Erdem Sucu, Ahmad Al-Badawi +1
We present an investigation of a static, spherically symmetric Letelier black hole (BH) immersed in an electromagnetic universe (EMU), characterized by the cloud of strings (CoS) p…
Born-Infeld signatures in AdS black hole thermodynamics and gravitational lensing
Ekrem Aydıner, Tekin Dereli, İzzet Sakallı +2
We investigate the thermodynamic and optical properties of Einstein-Born-Infeld-Anti-de Sitter (EBI-AdS) black holes (BHs). Our study derives the Hawking temperature using standard…
Comment on "Black hole in Dehnen dark matter halo: exact solution, lensing, light ring, and thermodynamics (EPJC 85 (2025) 1256)"
Ahmad Al-Badawi, Faizuddin Ahmed, İzzet Sakallı
In a recent article, the author of Ref. [EPJC 85 (2025) 1256] constructed an exact solution describing a static, spherically symmetric black hole embedded in a Dehnen-() t…
Kerr-Bertotti-Robinson Black Holes Surrounded by a Cloud of Strings
Faizuddin Ahmed, İzzet Sakallı, Ahmad Al-Badawi
In a recent study [1], authors introduced a new class of exact space-times in Einstein's gravity, which are Kerr black holes immersed in an external uniform magnetic field that is…
A Black Hole Solution in Kalb-Ramond Gravity with Quintessence Field: From Geodesic Dynamics to Thermal Criticality
Ahmad Al-Badawi, Faizuddin Ahmed, İzzet Sakallı
We present a theoretical investigation of black hole solutions in Kalb-Ramond gravity embedded with quintessence fields. Our study examines how combined effects of Lorentz violatio…
Photon Deflection and Magnification in Kalb-Ramond Black Holes with Topological String Configurations
Faizuddin Ahmed, İzzet Sakallı, Ahmad Al-Badawi
This theoretical investigation examines gravitational lensing phenomena in Schwarzschild-like black holes (BHs) within Kalb-Ramond (KR) gravity frameworks incorporating cosmic stri…
Geodesics, Scalar Fields, and GUP-Corrected Thermodynamics of Charged BTZ-like Black Holes in Bopp-Podolsky Electrodynamics
Faizuddin Ahmed, Ahmad Al-Badawi, Abdelmalek Bouzenada +2
In Ref. [1], the spacetime geometry generated by compact objects in -dimensional Bopp-Podolsky electrodynamics is derived. Using a perturbative approach, the authors derived…
Observable signatures of Black Holes with Hernquist Dark Matter Halo having a cloud of strings: From Geodesics to Shadow
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
We present a comprehensive theoretical investigation of a novel black hole (BH) spacetime: a Schwarzschild BH embedded in a Hernquist-type dark matter halo (HDMH) and surrounded by…
Fingerprints of Loop Quantum Gravity Black Holes with Quintessence Field
Ahmad Al-Badawi, Faizuddin Ahmed, İzzet Sakallı
In this study, we investigate a static, spherically symmetric black hole (BH) within the framework of Loop Quantum Gravity (LQG) surrounded by quintessence field. Our comprehensive…
Geodesics and scalar perturbations of deformed AdS-Schwarzschild black hole with a global monopole surrounded by a quintessence field
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı +1
We conduct a comprehensive investigation of a deformed AdS-Schwarzschild black hole with a global monopole surrounded by a quintessence field. Our analysis focuses on the geodesic…
Magnetized Letelier black hole in AdS spacetime
Ahmad Al-Badawi, Faizuddin Ahmed, İzzet Sakallı +1
In this study, we investigate the motion of charged, neutral, and light-like particles in a magnetized black hole solution surrounded by a cloud of strings in an anti-de Sitter (Ad…
Geometric and Thermodynamic Properties of Frolov Black Holes with Topological Defects
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
We investigated a modified Frolov black hole (BH) model that incorporates both a global monopole (GM) and a cosmic string (CS) to explore the interplay between non-singular BH regu…
Reconciling the Weak Gravity and Weak Cosmic Censorship Conjectures in Einstein-Euler-Heisenberg-AdS Black Holes
Mohammad Reza Alipour, Saeed Noori Gashti, Behnam Pourhassan +1
The potential conflict between the Weak Gravity Conjecture (WGC) and the Weak Cosmic Censorship Conjecture (WCCC) poses a significant challenge in general relativity. The WCCC serv…
Ayón-Beato-García black hole in AdS space-time surrounded by quintessence: geodesic, shadow and thermodynamics
Ahmad Al-Badawi, Faizuddin Ahmed, İzzet Sakallı
In this study, we present a novel exact solution to the gravitational field equations, known as the Ayón-Beato-García black hole solution, set against the backdrop of anti-de Sitte…
Shadow properties and orbital dynamics around an effective quantum-modified black hole surrounded by quintessential dark energy
Ahmad Al-Badawi, Faizuddin Ahmed, Tursunali Xamidov +2
In this study, we investigate black holes (BHs) surrounded by a quintessence field (QF) within the framework of effective quantum gravity (EQG). We analyze the spacetime metric cha…
Dynamics of test particles and scalar perturbations around Ayón-Beato-García black hole coupled with cloud of strings
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı +1
In this paper, we investigate the geodesic motion and scalar perturbations of the Ayón-Beato-García (ABG) black hole (BH) coupled with a cloud of strings (CS). By employing the eff…
Scalar, Vector Perturbations and Effective Hawking Radiation of Cylindrical Black Holes in and Ricci-Inverse Gravity
Faizuddin Ahmed, İzzet Sakallı, Ahmad Al-Badawi +1
This paper investigates scalar perturbations and quasinormal modes (QNMs) associated with cylindrical black holes constructed within the frameworks of -gravity and…
Spin-dependent Regge-Wheeler Potential and QNMs in Quantum Corrected AdS Black Hole with Phantom Global Monopoles
Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı
In this paper, we investigate the geodesic motion of test particles in the spacetime surrounding a static, spherically symmetric black hole, which is described by an AdS-Schwarzsch…