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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

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

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

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 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

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

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

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

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

The end stage of a gravitational collapse process can generically result in a black hole or a naked singularity. Here we undertake a comparative analysis of the nature of tidal forces in these backgrounds. The effect of such forces is…

General Relativity and Quantum Cosmology · Physics 2015-06-11 Akash Goel , Reevu Maity , Pratim Roy , Tapobrata Sarkar

Black holes and wormholes are solutions of Einstein's field equations, both of which, from afar, look like a central mass. We show here that although at large distances both behave like Newtonian objects, close to the event horizon or to…

High Energy Astrophysical Phenomena · Physics 2021-03-31 Pritam Banerjee , Suvankar Paul , Rajibul Shaikh , Tapobrata Sarkar

Naked singularities form during the gravitational collapse of inhomogeneous matter clouds. The final nature of the singularity depends on the initial conditions of the matter properties and types of matter profiles. These naked…

General Relativity and Quantum Cosmology · Physics 2022-06-01 Siddharth Madan , Parth Bambhaniya

This paper investigates tidal forces in multidimensional spherically symmetric spacetimes. We consider geodesic deviation equation in Schwarzschild-Tangherlini metric and its electrically charged analog. It was shown that for radial…

General Relativity and Quantum Cosmology · Physics 2023-01-09 V. P. Vandeev , A. N. Semenova

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

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

We examine the gyration motion of a charged particle, viewed from a reference observer falling along the Z axis into a Schwarzschild black hole. It is assumed that the magnetic field is constant and uniform along the Z axis, and that the…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Yasufumi Kojima , Kentaro Takami

The aim of this paper is to examine the tidal forces occurred in Kiselev black hole surrounded by radiation and dust fluids. It is noted that radial and angular component of tidal force change the sign between event and Cauchy horizons. We…

General Relativity and Quantum Cosmology · Physics 2017-06-02 M. Umair Shahzad , Abdul Jawad

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

We compute the dynamics of particles and strings falling into smooth horizonless spacetimes that match the Schwarzschild black hole but replace its horizon with a smooth cap in supergravity. The cap consists of a regular topological…

High Energy Physics - Theory · Physics 2025-06-09 Pierre Heidmann , Gela Patashuri
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