J 2023

Tidal forces in parametrized spacetime: Rezzolla-Zhidenko parametrization

TOSHMATOV, Bobir and Bobomurat AHMEDOV

Basic information

Original name

Tidal forces in parametrized spacetime: Rezzolla-Zhidenko parametrization

Authors

TOSHMATOV, Bobir (203 Czech Republic, belonging to the institution) and Bobomurat AHMEDOV (860 Uzbekistan)

Edition

Physical Review D, 2023, 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:

RIV identification code

RIV/47813059:19630/23:A0000305

Organization unit

Institute of physics in Opava

UT WoS

001098575900008

Keywords in English

tidal forces ;spherically symmetric static parametrized black hole;eodesic deviation equations

Tags

Tags

International impact, Reviewed

Links

EF18_053/0017871, research and development project.
Změněno: 14/2/2024 14:12, Mgr. Pavlína Jalůvková

Abstract

V originále

We investigate the tidal forces exerted by a spherically symmetric static parametrized black hole. Our analysis reveals that the radial and angular components of the tidal forces exerted by the black hole can exhibit both positive and negative values near the black hole, depending on matters of the spacetime parameters. Unlike the scenario with the Schwarzschild black hole, where the radial tidal force (angular tidal force) is always stretching (compressing) and becomes infinite at the center of the spacetime, the parametrized black hole allows for finite and compressing (stretching) forces within the event horizon. Additionally, we derive the geodesic deviation equations for a particle in free fall and proceed to solve them through numerical methods. Our analysis demonstrates that the spacetime parameters epsilon and a1 exhibit contrasting influences on the magnitudes of the physical quantities associated with tidal effects.