118 citations · 443 across the 15 of their papers we have counts for
16 papers · 1 filter
Perturbations and quasinormal modes of black holes in general relativity coupled to nonlinear electrodynamics
Uktamjon Uktamov, Bakhtiyor Narzilloev, Ibrar Hussain +2
We investigate the quasinormal spectra and time-domain evolution of scalar, electromagnetic, and gravitational perturbations of the Einstein-Bronnikov black hole in Einstein gravit…
Low-mass X-ray binaries as a probe of Kerr-MOG black hole spacetime
Bakhodirkhon Saidov, Bakhtiyor Narzilloev, Ibrar Hussain +1
We investigate the astrophysical implications of rotating black holes in modified gravity by studying the Kerr-MOG spacetime and applying it to several stellar-mass black hole cand…
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…
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…
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…
Optical Properties of an Axially Symmetric Black Hole in the Rastall Gravity
Bakhtiyor Narzilloev, Ibrar Hussain, Ahmadjon Abdujabbarov +1
This work is devoted to the study of the optical properties of the charged-rotating-NUT-Kiselev (CRNK) black hole in the Rastall theory of gravity. By investigating the motion of p…
Dynamics and Fundamental Frequencies of Test Particles Orbiting Kerr-Newman-NUT-Kiselev Blacks Hole in Rastall Gravity
Bakhtiyor Narzilloev, Ibrar Hussain, Ahmadjon Abdujabbarov +2
The spacetime properties in the exterior of the Kerr-Newman-NUT-Kiselev black hole in the Rastall theory of gravity, through particle dynamics are investigated with the aim to find…
Motion of Particles and Gravitational Lensing Around (2+1)-dimensional BTZ black holes in Gauss-Bonnet Gravity
Bakhtiyor Narzilloev, Sanjar Shaymatov, Ibrar Hussain +3
We study motion of test particles and photons in the vicinity of (2+1) dimensional Gauss-Bonnet (GB) BTZ black hole. We find that the presence of the coupling constant serves as an…
Charged particle motion around a magnetized Reissner-Nordström black hole
Sanjar Shaymatov, Bakhtiyor Narzilloev, Ahmadjon Abdujabbarov +1
We investigate the dynamics of neutral and charged test particles around axially symmetric magnetized black hole spacetime. We consider its electromagnetic field in the black hole…
Particle motion around a static axially symmetric wormhole
Bakhtiyor Narzilloev, Daniele Malafarina, Ahmadjon Abdujabbarov +2
We consider the properties of a static axially symmetric wormhole described by an exact solution of Einstein's field equations and investigate how we can distinguish such a hypothe…
Dynamics of charged particles and magnetic dipoles around magnetized quasi-Schwarzschild black holes
Bakhtiyor Narzilloev, Javlon Rayimbaev, Ahmadjon Abdujabbarov +2
In the present paper, we have investigated the motion of charged particles together with magnetic dipoles to determine how well the spacetime deviation parameter and external u…
Dynamics of test particles around a Bardeen black hole surrounded by perfect fluid dark matter
Bakhtiyor Narzilloev, Javlon Rayimbaev, Sanjar Shaymatov +3
We study the dynamics of (i) neutral test particles, (ii) magnetically charged test particles, and (iii) test magnetic dipole around a regular Bardeen black hole surrounded by perf…
Can the dynamics of test particles around charged stringy black holes mimic the spin of Kerr black holes?
Bakhtiyor Narzilloev, Javlon Rayimbaev, Sanjar Shaymatov +3
We study the motion of electrically charged particles, magnetic monopoles, and magnetic dipoles around electrically and magnetically charged stringy black holes. From the analysis…
Charged particle motion around non-singular black holes in conformal gravity in the presence of external magnetic field
Bakhtiyor Narzilloev, Javlon Rayimbaev, Ahmadjon Abdujabbarov +1
We consider electromagnetic fields and charged particle dynamics around non-singular black holes in conformal gravity immersed in an external, asymptotically uniform magnetic field…
On the properties of a deformed extension of the NUT space-time
Bakhtiyor Narzilloev, Daniele Malafarina, Ahmadjon Abdujabbarov +1
We consider a class of space-times given by a stationary extension of the Zipoy-Voorhees metric that was found by Halilsoy. We show that the solutions do not describe rotating sour…
Charged particle motion around a quasi-Kerr compact object immersed in an external magnetic field
Bakhtiyor Narzilloev, Ahmadjon Abdujabbarov, Cosimo Bambi +1
We explore the electromagnetic fields around a quasi-Kerr compact object assuming it is immersed in an external asymptotically uniform magnetic field. Using the Wald method, compon…