J 2024

Parameter constraints on traversable wormholes within beyond Horndeski theories through quasiperiodic oscillations

ABDULKHAMIDOV, Farukh, Petya NEDKOVA, Javlon RAYIMBAEV, Jutta KUNZ, Bobomurat AHMEDOV et. al.

Basic information

Original name

Parameter constraints on traversable wormholes within beyond Horndeski theories through quasiperiodic oscillations

Authors

ABDULKHAMIDOV, Farukh (860 Uzbekistan, belonging to the institution), Petya NEDKOVA, Javlon RAYIMBAEV (860 Uzbekistan), Jutta KUNZ and Bobomurat AHMEDOV (860 Uzbekistan)

Edition

Physical Review D, 2024, 2470-0010

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10308 Astronomy

Country of publisher

United States of America

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 5.000 in 2022

Organization unit

Institute of physics in Opava

UT WoS

001238593600002

Keywords in English

regular black holes;test particles;lorentzian wormholes;precession;qeuations;dynamics;gravity;field;model

Tags

International impact, Reviewed

Links

GA23-07043S, research and development project.
Změněno: 4/2/2025 13:25, Mgr. Pavlína Jalůvková

Abstract

V originále

Hunting compact astrophysical objects such as black holes and wormholes, as well as testing gravity theories, are important issues in relativistic astrophysics. In this sense, theoretical and observational studies of quasiperiodic oscillations (QPOs) observed in (micro)quasars become helpful in exploring their central object, which can be a black hole or a wormhole. In the present work, we study the throat properties of traversable wormholes beyond Horndeski theory. Also, we investigate the circular motion of test particles orbiting the wormhole. We analyze the test particle 's effective potential and angular momentum for circular orbits. Frequencies of radial and vertical oscillations of the particles around stable circular orbits have also been studied and applied in explaining the quasiperiodic oscillations mechanism in the relativistic precession (RP) model. Finally, we obtain constraint values for the parameters of beyond Horndeski gravity and the mass of the wormhole candidates using QPOs observed in the microquasars GRO J1655-40, GRS 1915 & thorn; 105 & XTE J1550-564 and at the center of Milky Way galaxy through Monte-Carlo-Markovian-chain (MCMC) analyses.