Tidal effects in 4D-charged Einstein-Gauss-Bonnet gravity black hole - INSPIRE

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Tidal effects in 4D-charged Einstein-Gauss-Bonnet gravity black hole

M. Asgher
(
- Islamia U. Bahawalpur
)
,
G. Abbas
(
- Islamia U. Bahawalpur
)

Dec 28, 2023

10 pages

Published in:

Phys.Scripta 99 (2024) 1, 015019

Published: Dec 28, 2023

DOI:

10.1088/1402-4896/ad16c3

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Abstract: (IOP)

In this paper, we study the geodesic deviation between two nearby geodesics. For this process, we calculated the geodesic equation and radial motion of test particles. Also, the radial and angular tidal forces have been investigated using the curvature tensor in tetrad form. The radial tidal forces in 4D charged Einstein-Gauss-Bonnet gravity black hole show a tidal effect with a small value of radial coordinate r. The angular tidal forces show converse behavior as compared to the radial tidal forces at the short value of radial coordinate r. The radial and angular tidal forces have the same behavior at the immense value of radial coordinate r. The geodesic deviation paths depend on the charge Q parameter and Gauss-Bonnet parameter α of the black hole. We have compared our result with the 4D uncharged Einstein-Gauss-Bonnet gravity black hole and Reissner-Nordström with consideration of two kinds of initial conditions.

tidal force
black hole
geodesic deviation equation
curvature: tensor
black hole: charge
geodesic
Gauss-Bonnet term
gravitation: effect
tetrad
Reissner-Nordstroem

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