Constraints on metric-Palatini gravity from QPO data

被引：3

作者：

Ghorani, Elham ^{[1
]}

Mitra, Samik ^{[2
]}

Rayimbaev, Javlon ^{[3
,4
]}

Pulice, Beyhan ^{[1
,5
]}

Atamurotov, Farruh ^{[6
,7
]}

Abdujabbarov, Ahmadjon ^{[8
]}

Demir, Durmus ^{[1
]}

机构：

[1] Sabanci Univ, Fac Engn & Nat Sci, TR-34956 Tuzla, Istanbul, Turkiye

[2] Indian Inst Technol Guwahati, Dept Phys, Gauhati 781039, Assam, India

[3] Natl Res Univ TIIAME, Inst Fundamental & Appl Res, Kori Niyoziy 39, Tashkent 100000, Uzbekistan

[4] Shahrisabz State Pedag Inst, Shahrisabz Str 10, Shahrisabz 181301, Uzbekistan

[5] Open Univ Israel, Astrophys Res Ctr, IL-4353701 Raanana, Israel

[6] Inha Univ Tashkent, Ziyolilar 9, Tashkent 100170, Uzbekistan

[7] Tashkent State Tech Univ, Tashkent 100095, Uzbekistan

[8] Univ Tashkent Appl Sci, Str Gavhar 1, Tashkent 100149, Uzbekistan

来源：

EUROPEAN PHYSICAL JOURNAL C | 2024年 / 84卷 / 10期

关键词：

QUASI-PERIODIC OSCILLATIONS; BLACK-HOLES; TEST PARTICLES; AFFINE GRAVITY; BARYON NUMBER; FIELD; FREQUENCIES; DYNAMICS; MASS; NONEXISTENCE;

D O I：

10.1140/epjc/s10052-024-13373-6

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

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. C 83(4):318, 2023), 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.

引用

页数：16

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