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Constraints on Metric-Palatini Gravity from QPO Data

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arxiv 2410.04993 v1 pith:R3DXRKLS submitted 2024-10-07 gr-qc

Elham Ghorani , Samik Mitra , Javlon Rayimbaev , Beyhan Puliçe , Farruh Atamurotov , Ahmadjon Abdujabbarov , Durmuş Demir This is my paper · ORCID
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keywords blackgravityanalysisdataholeextendedgeneralmetric-palatini
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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 field. Using our previous construction of its static spherically-symmetric AdS solution [Eur. Phys. J. C83 (2023) 4, 318], we perform a detailed analysis in this work using the observational quasiperiodic oscillations (QPOs) data. To this end, we use the latest data from stellar-mass black hole GRO J1655-40, intermediate-mass black hole in M82-X1, and the super-massive black hole in SgA* (our Milky Way) and perform a Monte-Carlo-Markov-Chain (MCMC) analysis to determine or bound the model parameters. Our results shed light on the allowed ranges of the Proca mass and other parameters. The results imply that our solutions can cover all three astrophysical black holes. Our analysis can also be extended to more general metric-affine gravity theories.

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Cited by 1 Pith paper

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

  1. Probing scalarized wormholes through quasi-periodic oscillations and spinning particle dynamics

    gr-qc 2026-08 reject novelty 4.0 of 10

    The paper derives how scalar coupling and particle spin shift ISCO radii, QPO frequencies, and collision energies in a scalarized wormhole, but the main trend statement contradicts its own figures.

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