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Shadow, quasinormal modes and quasiperiodic oscillations of rotating Kaluza-Klein black holes

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arxiv 2011.02276 v1 pith:GTH7DGEC submitted 2020-11-02 gr-qc astro-ph.HEhep-th

M. Ghasemi-Nodehi , Mustapha Azreg-Aïnou , Kimet Jusufi , Mubasher Jamil This is my paper · ORCID
classification gr-qcastro-ph.HEhep-th
keywords blackrotatingshadowholeskaluza-kleinmodesoscillationsaddition
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In this paper we study the shadow of rotating Kaluza-Klein (KK) black holes and the connection between the shadow radius and the real part of quasi-normal modes (QNMs) in the eiokonal limit. In addition we have explored the quasi-periodic oscillations (QPOs) in the rotating KK black hole.

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Cited by 3 Pith papers

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

  1. Mapping Quasi-Periodic Oscillations to Lyapunov Exponent across Black Hole Thermodynamic Phase Transitions

    gr-qc 2025-10 reject novelty 4.0 of 10

    For a nonminimally coupled magnetic AdS black hole, the Lyapunov exponent and QPO frequencies both reproduce the swallowtail branch structure of the Van der Waals-like thermodynamic phase transition.

  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.

  3. Scalar quasinormal modes, Lyapunov exponents and radii of null geodesics of rotating regular black holes

    gr-qc 2025-04 conditional novelty 4.0 of 10

    The paper computes scalar quasinormal modes of rotating Bardeen and Hayward black holes and finds they follow the eikonal null-geodesic relations, with Bardeen deviations up to about 19% from Kerr.

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