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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 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

More than two years ago the Event Horizon Telescope collaboration presented the first image reconstruction around the shadow for the supermassive black hole in M87*. It gives an opportunity to evaluate the shadow size. Recently, the Event…

General Relativity and Quantum Cosmology · Physics 2022-03-08 Alexander F. Zakharov

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

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 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

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

During the glorious success of the EHT in providing the first image of a black hole, numerous papers have been published about the effect of different astrophysical environments on black hole geometry. Motivated by the work on how…

General Relativity and Quantum Cosmology · Physics 2023-12-08 Reggie C. Pantig

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 study the shadow cast by the H$D$ Schwarzschild-Tangherlini black hole, and analytically calculate the influence of extra dimensions on the shadow of a black hole. A black hole casts a shadow as an optical appearance because of its…

General Relativity and Quantum Cosmology · Physics 2017-07-25 Balendra Pratap Singh , Sushant G. Ghosh

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

Stars on orbits with pericenters sufficiently close to the supermassive black hole at the center of their host galaxy can be ripped apart by tidal stresses. Some of the resulting stellar debris becomes more tightly bound to the hole and can…

High Energy Astrophysical Phenomena · Physics 2017-04-12 Juan Servin , Michael Kesden

Motivated by M-theory compactifications, we investigate optical properties of black holes in the Starobinsky-Bel-Robinsion gravity. Precisely, we study the shadows and the deflection angle of light rays by non-rotating and rotating black…

High Energy Physics - Theory · Physics 2023-04-11 A. Belhaj , H. Belmahi , M. Benali , Y. Hassouni , M. B. Sedra

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

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

In this work, we investigate the effects of plasma and the coupling parameter $\beta>0$, on the thermodynamic properties and weak gravitational lensing by the Schwarzschild-like black hole in the Starobinsky-Bel-Robinson gravity (SBRG). We…

General Relativity and Quantum Cosmology · Physics 2024-01-17 G. Mustafa , Allah Ditta , Faisal Javed , Farruh Atamurotov , Ibrar Hussain , 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

We have investigated tidal forces and geodesic deviation motion in the 4D-Einstein-Gauss-Bonnet spacetime. Our results show that tidal force and geodesic deviation motion depend sharply on the sign of Gauss-Bonnet coupling constant.…

General Relativity and Quantum Cosmology · Physics 2021-07-13 Jing Li , Songbai Chen , Jiliang Jing

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

Using a suite of fully relativistic hydrodynamic simulations applied to main-sequence stars with realistic internal density profiles, we examine full and partial tidal disruptions across a wide range of black hole mass ($10^{5}\leq M_{\rm…

High Energy Astrophysical Phenomena · Physics 2020-12-02 Taeho Ryu , Julian Krolik , Tsvi Piran , Scott C. Noble
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