Dynamics of test particles around a Bardeen black hole surrounded by perfect fluid dark matter

Abstract

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 perfect fluid dark matter (PFDM). It has been shown how the magnetic charge of the black hole and the parameter of the surrounding PFDM can influence the innermost stable circular orbit (ISCO) radius of a test particle. We have found that the ISCO radius is strongly affected as a consequence of the combined effect of the magnetic charge parameter and the perfect fluid dark matter. The black hole magnetic charge parameter $g$ and the combined effect of perfect fluid dark matter can mimic the black hole rotation parameter up to $a/M\approx 0.9$. It has been observed that the ISCO for magnetic dipole disappears at the values exceeding the calculated upper value for the magnetic interaction parameter $\beta$. The upper limit decreases with the increase of both the dark matter and magnetic charge parameters. Finally, as an astrophysical application, we have analyzed degeneracy effects of spin of Kerr black holes and magnetic charge of regular Bardeen black holes for the different values of the dark matter parameter providing exactly the same value for ISCO radius of a magnetic dipole with the same value of the parameter $\beta =10.2$ of the magnetar called PSR J1745-2900 orbiting around supermassive black hole Sagittarius A*.

17 pages, 16 figures. Accepted for publication in Phys. Rev. D

References in corpus (25)

• First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
• First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole
• Rotating regular black holes
• Rotating Regular Black Hole Solution
• Universality in Chaos of Particle Motion near Black Hole Horizon
• Quasinormal modes of gravitational perturbation around a Schwarzschild black hole surrounded by quintessence
• Possible signature of magnetic fields related to quasi-periodic oscillation observed in microquasars
• Quasinormal modes of test fields around regular black holes
• Off-equatorial orbits in strong gravitational fields near compact objects -- II: halo motion around magnetic compact stars and magnetized black holes
• Electrically charged matter in rigid rotation around magnetized black hole
• Particle Motion around Black Hole in Horava-Lifshitz Gravity
• Dynamics of Particles Around a Schwarzschild-like Black Hole in the Presence of Quintessence and Magnetic Field
• Charged particle and epicyclic motions around $4D$ Einstein-Gauss-Bonnet black hole immersed in an external magnetic field
• Penrose Process in Kerr-Taub-NUT Spacetime
• Particle Motion and Electromagnetic Fields of Rotating Compact Gravitating Objects with Gravitomagnetic Charge
• Destroying a near-extremal Kerr black hole with a charged particle: Can a test magnetic field serve as a cosmic censor?
• Can the dynamics of test particles around charged stringy black holes mimic the spin of Kerr black holes?
• Magnetized particle motion around magnetized Schwarzschild-MOG black hole
• Charged particle in higher dimensional weakly charged rotating black hole spacetime
• Particle motion and collisions around rotating regular black hole
• Dynamics of Particles Around a Regular Black Hole with Nonlinear Electrodynamics
• Center of Mass Energy of the Collision for Two General Geodesic Particles Around a Kerr-Newman-Taub-NUT Black Hole
• Charged particle motion around a quasi-Kerr compact object immersed in an external magnetic field
• Dynamics and center of mass energy of colliding particles around black hole in f(R) gravity
• Black Holes in the Turbulent Phase of Viscous Rip Cosmology

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• Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A${}^{\ast }$
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• The feature of shadow images and observed luminosity of the Bardeen black hole surrounded by different accretions
• Motion of charged and spinning particle influenced by dark matter field surrounding a charged dyonic black hole
• Motion of Particles and Gravitational Lensing Around (2+1)-dimensional BTZ black holes in Gauss-Bonnet Gravity
• Investigating effects of dark matter on photon orbits and black hole shadows
• Constraints on the magnetized Ernst black hole spacetime through quasiperiodic oscillations
• Dynamics of charged particles and magnetic dipoles around magnetized quasi-Schwarzschild black holes
• Joule-Thomson Expansion of RN-AdS Black Hole Immersed in Perfect Fluid Dark Matter
• Dynamics and Fundamental Frequencies of Test Particles Orbiting Kerr-Newman-NUT-Kiselev Blacks Hole in Rastall Gravity
• Particle motion around a static axially symmetric wormhole
• Thermodynamics and evaporation of perfect fluid dark matter black hole in phantom background
• Quasinormal modes and shadow of Schwarzschild black holes embedded in a Dehnen type dark matter halo exhibiting string cloud
• Circular motion around a regular rotating Hayward black hole
• Thermodynamics, Weak Gravitational Lensing, and Parameter Estimation of a Schwarzschild Black Hole Immersed in Hernquist Dark Matter Halo
• Particle dynamics and the accretion disk around a Self-dual Black Hole immersed in a magnetic field in Loop Quantum Gravity
• A Critical Assessment of Black Hole Solutions With a Linear Term in Their Redshift Function
• Seeing dark matter via acceleration radiation
• Modeling HF-QPOs in Microquasars and AGNs: Charged Particles around Black Holes with CDM Halos
• Observational constraints on the Kerr and its several single-parameter modified spacetimes using quasi-periodic oscillation data
• Gravitational Lensing of Euler-Heisenberg Black Hole Surrounded by Perfect Fluid Dark Matter
• Impacts of Perfect Fluid Dark Matter on Spacetime Geometry -- the Exponential Metric
• Probing black holes via quasinormal modes in a dark energy-induced dark matter
• Cosmological coupled black holes immersed in dark sector
• Quasinormal spectra of a wormhole family: overtone features and a parameter-controlled redshift
• Quasinormal modes of regular black holes surrounded by skewed dark matter distributions
• Charged particle motion around a magnetized Reissner-Nordström black hole