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Related papers: Testing the Weak Cosmic Censorship Conjecture in L…

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Evidences have been found that the weak cosmic censorship conjecture could be violated if test particles with charge and angular momentum are injected into a black hole. However, second-order corrections and fine-tunings on the particle's…

General Relativity and Quantum Cosmology · Physics 2020-07-08 Chengcheng Liu , Sijie Gao

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

With the Hamilton-Jacobi equation, we obtain the energy-momentum relation of a charged particle as it is absorbed by the Gauss-Bonnet AdS black hole. On the basis of the energy-momentum relation at the event horizon, we investigate the…

High Energy Physics - Theory · Physics 2020-01-08 Xiao-Xiong Zeng , Xin-Yun Hu , Ke-Jian He

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

Treating the cosmological constant as a dynamical variable, we investigate the thermodynamics and weak cosmic censorship conjecture (WCCC) of a charged AdS black hole (BH) in the Rastall gravity. We determine the energy momentum relation of…

General Relativity and Quantum Cosmology · Physics 2020-06-24 Xin-Yun Hu , Ke-Jian He , Zhong-Hua Li , Guo-Ping Li

A surprising connection between the weak gravity conjecture and cosmic censorship has recently been proposed. In particular, it was argued that a promising class of counterexamples to cosmic censorship in four-dimensional…

High Energy Physics - Theory · Physics 2019-07-17 Toby Crisford , Gary T. Horowitz , Jorge E. Santos

In this work, we use the weak cosmic censorship conjecture(WCC) to constrain black hole solutions in modified gravity theories. While Wald showed that extremal Kerr-Newman black holes in general relativity cannot be overcharged by test…

General Relativity and Quantum Cosmology · Physics 2026-01-21 Shauvik Biswas , Amruta Sadhu , Sudipta Sarkar

It is well known that a rotating black hole in four dimension could be overspun by linear order test particle accretion which however always gets overturned when non-linear perturbations are included. It turns out that in the Einstein…

General Relativity and Quantum Cosmology · Physics 2022-08-04 Sanjar Shaymatov , Naresh Dadhich

It is well known that ($2+1$) dimensional charged BTZ (Banados, Teitelboim, Zanelli) black hole can be overcharged by a charged scalar field and a charged particle in contrast to their analogues in ($3+1$) and higher dimensions. In this…

General Relativity and Quantum Cosmology · Physics 2022-07-06 Ayyesha K. Ahmed , Sanjar Shaymatov , Bobomurat Ahmedov

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

The thermodynamics and weak cosmic censorship conjecture in extended phase spaces of charged anti-de Sitter black holes describing the massive gravity are investigated by the absorptions of the scalar particle and fermion. The cosmological…

High Energy Physics - Theory · Physics 2019-05-22 Deyou Chen

The weak cosmic censorship conjecture in the near-extremal BTZ black hole has been tested by the test particles and fields. It was claimed that this black hole could be overspun. In this paper, we review the thermodynamics and weak cosmic…

General Relativity and Quantum Cosmology · Physics 2019-11-11 Deyou Chen

Recently, the non-trivial solutions for 4-dimensional black holes of Einstein-Gauss-Bonnet gravity had been discovered. In this paper, considering a charged particle entering into a 4-dimensional Gauss-Bonnet-Maxwell black hole, we…

General Relativity and Quantum Cosmology · Physics 2020-12-30 Shuxuan Ying

In this paper, we investigate the weak cosmic censorship conjecture for the Kerr-Sen black holes by considering the new version of the gedanken experiments proposed recently by Sorce and Wald. After deriving the first two order perturbation…

High Energy Physics - Theory · Physics 2019-10-29 Jie Jiang , Xiaoyi Liu , Ming Zhang

We investigate weak cosmic censorship conjecture in charged torus-like black hole by the complex scalar field scattering. Using the relation between the conserved quantities of a black hole and the scalar field, we can calculate the change…

General Physics · Physics 2020-10-28 Wei Hong , Berong Mu , Jun Tao

We show explicitly, for different types of extremal black holes, that test fields satisfying the null energy condition at the event horizon cannot violate the weak cosmic censorship conjecture. This is done by checking, in each case, that…

General Relativity and Quantum Cosmology · Physics 2020-09-22 Jéssica Gonçalves , José Natário

In this article, we test the validity of the weak cosmic censorship conjecture (wCCC) in the background of a quantum Kerr-de Sitter (qKdS) black hole, incorporating exact backreaction from quantum matter fields. Using a test particle…

High Energy Physics - Theory · Physics 2026-05-19 Ankit Anand , Ankur Dey

We investigate the interplay of the Weak Gravity Conjecture (WGC) and the Weak Cosmic Censorship Conjecture (WCCC) in $F(R)$-Euler-Heisenberg black holes in Anti-de Sitter and de Sitter backgrounds. The solution is characterized by the…

General Relativity and Quantum Cosmology · Physics 2026-02-27 Saeed Noori Gashti , Izzet Sakalli , Erdem Sucu , Mohammad Reza Alipour , Ankit Anand , Mohammad Ali S Afshar , Behnam Pourhassan , Jafar Sadeghi

In this paper, we apply the new Gedanken experiment to investigate the weak cosmic censorship conjecture for Reissner-Nordstr\"om AdS black holes surrounded by quintessence. Since the perturbation of matter fields doesn't affect the…

General Relativity and Quantum Cosmology · Physics 2022-03-14 Yang Qu , Jun Tao , Jiayi Wu

We investigate the weak cosmic censorship conjecture in extremal and near-extremal Kerr-Newman-(anti-)de Sitter black holes by the scattering of a massive scalar field with an electric charge. Under this scattering, the scalar field fluxes…

General Relativity and Quantum Cosmology · Physics 2021-10-13 Bogeun Gwak