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Quasiperiodic Oscillations, Quasinormal Modes and Shadows of Bardeen-Kiselev Black Holes

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arxiv 2202.11509 v1 pith:M3LL473B submitted 2022-02-22 gr-qc

Javlon Rayimbaev , Bushra Majeed , Mubasher Jamil , Kimet Jusufi , Anzhong Wang This is my paper
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keywords aroundbardeen-kiselevblackcirculardynamicsfieldfrequenciesinnermost
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abstract

In this article, we study the particle dynamics around a static and spherically symmetric Bardeen-Kiselev black hole (BK BH) which is a solution of the Einstein-non-linear Maxwell field equations along with a quintessential field. We discuss its essential geometrical properties such as scalar invariants and size of innermost stable circular orbits. Dynamics of test particles around the BH is also studied. Moreover, we also computed the fundamental frequencies of a test particle orbiting the BH in a slightly perturbed orbit. Further, the degeneracy relations between the spin of rotating Kerr BH and magnetic charge of the BK BH at the values of the quintessential parameter $\omega_q=-1/3$ and in terms of the same values of innermost stable circular orbits (ISCOs) radius, energy efficiency, twin-peaks quasiperiodic oscillations (QPOs) frequencies and impact parameter for photon are also discussed in detail. Finally, we have investigated the relationship between the shadow radius and the real part of the quasinormal mode (QNM) frequency.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Periodic Timelike Motion and Gravitational Wave Signatures around a Magnetically Charged Black Hole Surrounded by Quintessence

    gr-qc 2026-06 unverdicted novelty 4.0 of 10

    Quintessence shifts orbital radii, turning points, and zoom-whirl parameters for timelike geodesics around a magnetically charged black hole, producing burst-like gravitational waveforms whose phase, timing, and milli...

  2. Epicyclic oscillations and accretion disk around a special Buchdahl-inspired spacetime

    gr-qc 2025-07 conditional novelty 4.0 of 10

    The Buchdahl-inspired metric shifts the ISCO inward for positive k tilde and produces QPO and disk profiles that the authors fit to microquasar data, claiming 0.03<k<0.19.

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