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Tidal forces produced by black holes are an important result of General Relativity, related to the spacetime curvature tensor. Among the astrophysical implications of tidal forces, stands out tidal disruption events. We analyze the tidal…

General Relativity and Quantum Cosmology · Physics 2020-05-28 Haroldo C. D. Lima Junior , Luís C. B. Crispino

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…

General Relativity and Quantum Cosmology · Physics 2022-05-03 V. P. Vandeev , A. N. Semenova

We analyze the tidal forces produced in the spacetime of Reissner-Nordstr\"om black holes. We point out that the radial component of the tidal force changes sign just outside the event horizon if the charge-to-mass ratio is close to $1$…

General Relativity and Quantum Cosmology · Physics 2016-02-24 Luís C. B. Crispino , Atsushi Higuchi , Leandro A. Oliveira , Ednilton S. de Oliveira

Tidal disruption events occur when astrophysical objects are destroyed by black holes due to strong tidal force effects. Tidal forces have been studied in a variety of black hole spacetimes, including Reissner-Nordstr\"om and Kerr…

General Relativity and Quantum Cosmology · Physics 2024-03-05 Eduardo Albacete , Maurício Richartz

The current manuscript deals with the tidal force effects, geodesic deviation, and shadow constraints of the Schwarzschild-like black hole theorised in Starobinsky-Bel-Robinson gravity exhibiting M-theory compactification. In the current…

General Relativity and Quantum Cosmology · Physics 2023-10-25 Dhruv Arora , Niyaz Uddin Molla , Himanshu Chaudhary , Ujjal Debnath , Farruh Atamurotov , G. Mustafa

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…

General Relativity and Quantum Cosmology · Physics 2023-11-09 Bobir Toshmatov , Bobomurat Ahmedov

The concept of regular black holes has gained attention in recent years, especially in the context of quantum gravity theories. In these theories, the existence of singularities is paradoxical as they represent a breakdown of the laws of…

General Relativity and Quantum Cosmology · Physics 2023-05-16 Dhruv Arora , Parth Bambhaniya , Dipanjan Dey , Pankaj S. Joshi

We have investigated the tidal forces and geodesic deviation motion in the spacetime of a black hole in the galaxy with dark matter halo. Our results show that the tidal force and geodesic deviation motion depend on the dark matter halo…

General Relativity and Quantum Cosmology · Physics 2022-09-07 Jiayi Liu , Songbai Chen , Jiliang Jing

Tidal forces are an important feature of General Relativity, which are related to the curvature tensor. We analyze the tidal tensor in Kerr spacetime, with emphasis on the case along the symmetry axis of the Kerr black hole, noting that…

General Relativity and Quantum Cosmology · Physics 2020-03-24 Haroldo C. D. Lima Junior , Luís C. B. Crispino , Atsushi Higuchi

We investigate here the behavior of a few spherically symmetric static acclaimed black hole solutions in respect of tidal forces in the geodesic frame. It turns out that the forces diverge on the horizon of cold black holes (CBH) while for…

General Relativity and Quantum Cosmology · Physics 2010-11-19 K. K. Nandi , A. Bhadra , P. M. Alsing , T. B. Nayak

We investigate tidal effects produced in the spacetime of Schwarzschild black hole in holographic massive gravity, which has two additional mass parameters due to massive gravitons. As a result, we have obtained that massive gravitons…

General Relativity and Quantum Cosmology · Physics 2020-11-26 Soon-Tae Hong , Yong-Wan Kim , Young-Jai Park

In this work, we investigate relativistic tidal forces around a black hole sourced by a cloud of strings, described by the generalized Letelier-Alencar solution. We first review the original Letelier spacetime and its recent generalization,…

General Relativity and Quantum Cosmology · Physics 2026-03-25 Marcos V. de S. Silva , T. M. Crispim , R. R. Landim , Gonzalo J. Olmo , Diego Sáez-Chillón Gómez

In a recent paper [arXiv:2305.08922], it has been proposed that the endpoint of the Kerr-AdS superradiant instability is a Grey Galaxy. The conjectured solutions are supposed to be made up of a black hole with critical angular velocity in…

General Relativity and Quantum Cosmology · Physics 2024-05-30 Anand Balivada , Pius Ranjan Padhi , Amitabh Virmani

Tidal disruption by massive black holes is a phenomenon, during which a large part of gravitational energy can be released on a very short time-scale. The time-scales and energies involved during X-ray and IR flares observed in Galactic…

Astrophysics of Galaxies · Physics 2012-04-17 U. Kostic , A. Gomboc , A. Cadez , M. Calvani

Black bounces are compact objects that combine the structures of regular black holes with those of wormholes. These spacetimes exhibit a rich causal structure and can differ fundamentally from usual black holes. In this work, we study the…

General Relativity and Quantum Cosmology · Physics 2025-10-23 T. M. Crispim , Marcos V. de S. Silva , G. Alencar , Diego Sáez-Chillón Gómez

Black holes can be inserted in very rich astrophysical environments, such as accretion disks. Although isolated black holes are simple objects in general relativity, their accretion disks may significantly enrich the field configurations of…

General Relativity and Quantum Cosmology · Physics 2022-05-30 Haroldo C. D. Lima Junior , Mateus M. Corrêa , Caio F. B. Macedo , Luís C. B. Crispino

Due to the tidal forces that a black hole can produce, certain types of compact objects may undergo disruption as they approach the black hole. This disruption point is known as the Roche limit (or Roche radius). In this work, we studied…

General Relativity and Quantum Cosmology · Physics 2026-05-06 Marcos V. de S. Silva

The article generalizes the description of tidal forces to the case of geodesics with non-zero angular momentum in the metric of static spherically symmetric black holes. We show that the geodesic deviation equation can be diagonalized even…

General Relativity and Quantum Cosmology · Physics 2022-04-29 V. P. Vandeev , A. N. Semenova

The dynamics of a binary system moving in the background of a black hole is affected by tidal forces. In this work, for the Kerr black hole, we derive the electric and magnetic tidal moments at quadrupole order, where the latter are…

General Relativity and Quantum Cosmology · Physics 2023-04-10 Filippo Camilloni , Gianluca Grignani , Troels Harmark , Roberto Oliveri , Marta Orselli , Daniele Pica

The tidal interaction of a (rotating or nonrotating) black hole with nearby bodies produces changes in its mass, angular momentum, and surface area. Similarly, tidal forces acting on a Newtonian, viscous body do work on the body, change its…

General Relativity and Quantum Cosmology · Physics 2013-05-29 Eric Poisson
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