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Related papers: Destroying the Event Horizon of Cold Dark Matter-B…

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There is a possibility that the event horizon of a Kerr-like black hole with perfect fluid dark matter (DM) can be destroyed, providing a potential opportunity for understanding the weak cosmic censorship conjecture of black holes. In this…

General Relativity and Quantum Cosmology · Physics 2023-11-02 Liping Meng , Zhaoyi Xu , Meirong Tang

For a rotating black hole to be nonsingular, it means that there are no spacetime singularities at its center. The destruction of the event horizon of such a rotating black hole is not constrained by the weak cosmic censorship conjecture,…

General Relativity and Quantum Cosmology · Physics 2023-10-26 Lai Zhao , Zhaoyi Xu

The destruction of the event horizon of a nonsingular black hole, which is not prevented by the weak cosmic censorship conjecture, might provide us the possibility to access quantum regime of gravity inside black hole. We investigate the…

General Relativity and Quantum Cosmology · Physics 2022-04-21 Si-Jiang Yang , Yu-Peng Zhang , Shao-Wen Wei , Yu-Xiao Liu

We investigate the weak cosmic censorship conjecture in Kerr-(anti-)de Sitter black holes under the scattering of a scalar field. We test the conjecture in terms of whether the black hole can exceed the extremal condition with respect to…

General Relativity and Quantum Cosmology · Physics 2018-09-18 Bogeun Gwak

Recently, several authors have studied the possibility of overspinning or overcharging an existing black hole to destroy its event horizon and make the central singularity naked. When all the effects are properly taken into account, any…

General Relativity and Quantum Cosmology · Physics 2013-06-24 Zilong Li , Cosimo Bambi

The weak cosmic censorship conjecture states that the black hole singularity is hidden inside the event horizon of the black hole, making it impossible for an external observer to measure. In this study, we investigate the weak cosmic…

General Relativity and Quantum Cosmology · Physics 2025-01-03 Meirong Tang , Lai Zhao , Zhaoyi Xu

We attempt to destroy the event horizons of Kerr black holes by perturbing them with massless spin (3/2) fields. We carry out a detailed analysis by incorporating the explicit form of the absorption probabilities and backreaction effects…

General Relativity and Quantum Cosmology · Physics 2023-07-11 Koray Düztaş

Recently, Li and Bambi proposed a hypothesis that the event horizon of a regular black hole can be destroyed because these objects have no gravitational singularity and therefore they are not protected by the weak cosmic censorship…

High Energy Physics - Theory · Physics 2020-04-07 Jie Jiang , Yunjiao Gao

Recently, Fernandes discovered an analytic solution for rotating black holes in semiclassical gravity induced by the trace anomaly. These solutions exhibit some distinctive characteristics, including a non-spherically symmetric event…

General Relativity and Quantum Cosmology · Physics 2023-08-16 Jie Jiang , Ming Zhang

The Weak Cosmic Censorship Conjecture is a hypothesis regarding the properties of event horizons and singularities during the formation of black holes, stating that singularities are always encompassed by the event horizons(TEH) of black…

General Relativity and Quantum Cosmology · Physics 2024-02-27 Min Zhao , Meirong Tang , Zhaoyi Xu

We test the weak cosmic censorship conjecture for magnetized Kerr-Newman spacetime via the method of injecting a test particle. Hence, we need to know how the black hole's parameters change when a test particle enters the horizon. This was…

General Relativity and Quantum Cosmology · Physics 2022-09-14 Yunjiao Gao , Sijie Gao

According to the Cosmic Censorship Conjecture, all the singularities produced by the collapsing matter must be hidden behind an event horizon. In 4D general relativity, this implies that the final product of the collapse is a Kerr-Newman…

General Relativity and Quantum Cosmology · Physics 2010-01-04 Cosimo Bambi

Using some probes, the violation of cosmic censorship conjecture in a general Kerr-Newman black hole is investigated. The result depends on many factors, like the relative sign of charge and rotation direction of the probe and black hole.…

General Relativity and Quantum Cosmology · Physics 2021-05-05 H. Khodabakhshi , F. Shojai

The Weak Cosmic Censorship Conjecture, since its proposal, has always been a controversial hypothesis, but its significance in astrophysics is undeniable. For a regular black hole, its center does not contain a singularity, and the…

General Relativity and Quantum Cosmology · Physics 2024-04-02 Lai Zhao , Meirong Tang , Zhaoyi Xu

By neglecting the effects of self-force and radiation, we investigate the possibility of destroying the Kerr-MOG black hole through the point particle absorption process. Using the instability of event horizon and equation of particle…

General Relativity and Quantum Cosmology · Physics 2019-04-08 Bin Liang , Shao-Wen Wei , Yu-Xiao Liu

We construct thought experiments involving the perturbations of Kerr-Newman black holes by neutral test fields to evaluate the validity of the weak form of the cosmic censorship conjecture. We first show that neglecting backreaction…

General Relativity and Quantum Cosmology · Physics 2019-04-11 Koray Düztaş

It has been claimed that cosmic censorship conjecture can be violated by quantum tunnelling of neutrinos, though it is strongly supported by classical arguments. We consider the classical interaction of an extremal Kerr black hole with a…

General Relativity and Quantum Cosmology · Physics 2015-03-06 Koray Duztas

A possible process to destroy a black hole consists on throwing point particles with sufficiently large angular momentum into the black hole. In the case of Kerr black holes, it was shown by Wald that particles with dangerously large…

General Relativity and Quantum Cosmology · Physics 2013-05-29 Mariam Bouhmadi-Lopez , Vitor Cardoso , Andrea Nerozzi , Jorge V. Rocha

The validity of the cosmic censorship conjecture for the Kerr-Sen black hole, which is a solution to the low-energy effective field theory for four-dimensional heterotic string theory, is investigated using charged particle absorption. When…

General Relativity and Quantum Cosmology · Physics 2017-07-03 Bogeun Gwak

We argue that a black hole can be viewed as a gravitational optical element that images its interior onto the horizon. Being diffraction limited the "Airy hyper-ball" that forms as a result of interference of gravitational waves, does not…

General Physics · Physics 2016-05-17 Asher Klatchko
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