https://doi.org/10.1140/epjc/s10052-021-09427-8
Regular Article - Theoretical Physics
Tidal forces in Kottler spacetimes
1
BALTIC STATE TECHNICAL UNIVERSITY<<VOENMEH>> named after D.F. Ustinov, 1-Ya Krasnoarmeyskaya Ulitsa, 1, 190005, St Petersburg, Russia
2
Petersburg Nuclear Physics Institute of National Research Centre “Kurchatov Institute”, 188300, Gatchina, Russia
Received:
30
March
2021
Accepted:
5
July
2021
Published online:
13
July
2021
The article considers tidal forces in the vicinity of the Kottler black hole. We find a solution of the geodesic deviation equation for radially falling bodies, which is determined by elliptic integrals. And also the asymptotic behavior of all spatial geodesic deviation vector components were found. We demonstrate that the radial component of the tidal force changes sign outside the single event horizon for any negative values of the cosmological constant, in contrast to the Schwarzschild black hole, where all the components of the tidal force are sign-constant. We also find the similarity between the Kottler black hole and the Reissner–Nordström black hole, because we indicate the value of the cosmological constant, which ensures the existence of two horizons of the black hole, between which the angular components of the tidal force change sign. It was possible to detect non-analytical behavior of geodesic deviation vector components in anti-de Sitter spacetime and to describe it locally.
© The Author(s) 2021
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