401 citations · 4.2k across the 97 of their papers we have counts for
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Lorentz Symmetry Breaking Traversable Wormhole Models Supported by Einasto Dark Matter
Rana Muhammad Zulqarnain, M. Yousaf, Allah Ditta +3
We investigate static, spherically symmetric traversable wormholes in Kalb Ramond gravity, where spontaneous Lorentz symmetry breaking arises from a non-vanishing vacuum expectatio…
Probing scalarized wormholes through quasi-periodic oscillations and spinning particle dynamics
Asalkhon Alimova, Akbar Davlataliev, Farruh Atamurotov +3
We investigate the dynamics of test particles in a three-parameter scalarized wormhole spacetime within Einstein-scalar field theory. For spinless particles, we derive the orbital…
Probing Quantum Gravity through Chaotic Orbits and Strong-Field Effects in Kerr Black Holes Embedded in Perfect Fluid Dark Matter
Shubham Kala, Sara Saghafi, M. Yousaf +4
We study the nonlinear photon dynamics in quantum improved rotating black hole surrounded by perfect fluid dark matter (PFDM) using several methods of analysis, including Poincaré…
Magnetically charged spinning particles around a regular black hole: constraints on the monopole charge from quasi-periodic oscillations
Shokhzod Jumaniyozov, Javlon Rayimbaev, Chengxun Yuan +4
We investigate the dynamics of magnetically charged spinning test particles in the spacetime of the Bardeen regular black hole, sourced by nonlinear electrodynamics and featuring a…
Scalar and Electromagnetic Perturbations around a Black Hole with a Topological Defect: Quasinormal Modes and Quasi-bound States in a Plasma Medium
Dilmurod Umarov, Farruh Atamurotov, Ahmadjon Abdujabbarov +2
We investigated the influence of a plasma environment on the optical and perturbative properties of a black hole with a topological defect, characterized by the parameter \(k\). We…
Chaotic behaviors of particles around the black hole with an anisotropic matter immersed in a magnetic field
Khusan Alibekov, Hocheol Lee, Yovqochev Pahlavon +4
We present an exact solution to the Einstein-Maxwell equations that describes a static black hole coexisting with anisotropic matter immersed in an external magnetic field, obtaine…
Spinning Particles around Einstein-Geometric Proca AdS Compact Objects
Gulzoda Rakhimova, Beyhan Puliçe, Elham Ghorani +2
We investigate the dynamics of spinning test particles in the vicinity of Einstein--geometric Proca (EGP) Anti-de Sitter (AdS) compact objects, which arise from metric-Palatini gra…
Probing the gravity of a Schwarzschild black hole in the presence of a cloud of strings with EMRIs
Mirzabek Alloqulov, Ahmadjon Abdujabbarov, Bobomurat Ahmedov +1
Here, we explore the effect of the cloud of strings (CoS) on the gravitational waveforms of extreme mass ratio inspirals (EMRIs). The EMRI system consists of a supermassive black h…
Can a Dehnen-type dark matter halo affect the neutrino flavor oscillations?
Mirzabek Alloqulov, Ahmadjon Abdujabbarov, Bobomurat Ahmedov +1
The gravitational weak lensing of neutrinos in the presence of a Schwarzschild black hole surrounded by a Dehnen-type dark matter halo is investigated. The event horizon structure…
Thermodynamics of Einstein-Geometric Proca AdS compact objects
Asalkhon Alimova, Elham Ghorani, Beyhan Puliçe +2
In this study we explore metric-Palatini gravity extended by the antisymmetric component of the affine curvature. This gravitational theory results in general relativity plus a geo…
Influence of external magnetic fields on charged particle motion around a Schwarzschild-like black hole
Sojida Mannobova, Gulnisa Abdukayumova, Farruh Atamurotov +3
We investigate the dynamics of charged and neutral particles in the vicinity of a Schwarzschild-like black hole immersed in an external magnetic field. We find that the innermost s…
Rotating Curzon-Chazy metric
Bobur Turimovand Odil Yunusov, Shavkat Karshiboev, Ahmadjon Abdujabbarov
We demonstrate that the Curzon metric for a positive mass configuration possesses a singular event horizon with infinite area. This singularity has significant implications, reveal…
Influence of Quantum Correction on Kerr Black Hole in Effective Loop Quantum Gravity via Shadows and EHT Results
Muhammad Ali Raza, M. Zubair, Farruh Atamurotov +1
Recently, a study on shadow of quantum corrected Schwarzschild black hole in loop quantum gravity appeared in [Ye et al., Phys. Lett. B 851, 138566, (2024)] assuming a fixed value…
Long-lived quasinormal modes and asymptotic tails of regular Schwarzschild-like black holes in the presence of a magnetic field
Akbar Davlataliev, Bakhtiyor Narzilloev, Ibrar Hussain +2
We analyze the evolution of perturbations of a (charged) massive scalar field near a regular Simpson-Visser black hole, allowing for a non-zero external magnetic field. We show tha…
Particle Dynamics and Quasi-Periodic Oscillations in the GUP-Modified Schwarzschild Spacetime: Constraint Using Micro-Quasars Data
Husanboy Hoshimov, Odil Yunusov, Farruh Atamurotov +2
In this work, we have worked out dynamical aspects for the particles moving around the GUP-corrected-Schwarzschild (S-GUP) black hole. We have calculated the innermost stable circu…
Constraints on Metric-Palatini Gravity from QPO Data
Elham Ghorani, Samik Mitra, Javlon Rayimbaev +4
In this work, we study metric-Palatini gravity extended by the antisymmetric part of the affine curvature. This gravity theory leads to general relativity plus a geometric Proca fi…
Influence of scalar field in massive particle motion in JNW spacetime
Bobur Turimov, Akbar Davlataliev, Ahmadjon Abdujabbarov +1
In this paper, we investigated the motion of massive particles in the presence of scalar and gravitational fields, particularly focusing on the Janis-Newman-Winicour (JNW) naked si…
Gravitational lensing of neutrinos in the Rezzolla-Zhidenko spacetime
Mirzabek Alloqulov, Hrishikesh Chakrabarty, Daniele Malafarina +2
We consider gravitational lensing of neutrinos in the Rezzolla-Zhidenko spacetime in the weak-field limit with plane-wave approximation. We apply the analysis to an hypothetical sy…
Observed jet power and radiative efficiency of black hole candidates in Kerr + PFDM model
Bakhtiyor Narzilloev, Ahmadjon Abdujabbarov, Bobomurat Ahmedov +1
In this research, we explore the electromagnetic energy emitted by astrophysical black holes within the Kerr+PFDM spacetime, a model encompassing rotating black holes surrounded by…
Effect of magnetized plasma on shadow and gravitational lensing of a Reissner-Nordström black hole
Yovqochev Pahlavon, Farruh Atamurotov, Kimet Jusufi +2
We explore the influence of the axion-plasmon on the optical properties of the charged black hole and show how the axion-plasmon coupling modifies the motion of photons around the…
Orbits of particles with magnetic dipole moment around magnetized Schwarzschild black holes: Applications to S2 star orbit
Uktamjon Uktamov, Mohsen Fathi, Javlon Rayimbaev +1
This study provides a comprehensive analytical investigation of the bound and unbound motion of magnetized particles orbiting a Schwarzschild black hole immersed in an external asy…
Constraining study of charged gravastars solutions in symmetric teleparallel gravity
Faisal Javed, Arfa Waseem, G. Mustafa +4
This study explores the effect of charge on a special astronomical object known as a gravastar, which is viewed as an alternative to a black hole. Based on the conjecture put out b…
Weak gravitational lensing and shadow of a GUP-modified Schwarzschild black hole in the presence of plasma
Husanboy Hoshimov, Odil Yunusov, Farruh Atamurotov +2
In this work, we have studied weak gravitational lensing effect around black hole and determine shadow radius in GUP-corrected-Schwarzschild spacetime (S-GUP) in presence of plasma…
Kerr-Taub-NUT spacetime to explain the jet power and the radiative efficiency of astrophysical black holes
Bakhtiyor Narzilloev, Ahmadjon Abdujabbarov, Bobomurat Ahmedov +1
In this work, we investigate the electromagnetic energy released by astrophysical black holes within the Kerr-Taub-NUT solution, which describes rotating black holes with a nonvani…