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Tests of the weak cosmic censorship conjecture examine the possibility of the breakdown of predictivity of the gravitational theory considered, by checking if curvature singularities typically present in black hole spacetimes are concealed…

High Energy Physics - Theory · Physics 2024-05-09 Antonia M. Frassino , Jorge V. Rocha , Andrea P. Sanna

Since 1970's, gedanken experiments have been devised to challenge the weak cosmic censorship conjecture (WCCC), which is the expectation that spacetime singularities will be hidden from faraway observers by event horizons so that classical…

General Relativity and Quantum Cosmology · Physics 2016-08-08 İbrahim Semiz , Koray Düztaş

Inspired by the recent discovery of a violation of strong cosmic censorship (SCC) for the near-extremal Reissner-Nordstr\"om black holes in de Sitter space (RN-dS), we investigate if the weak cosmic censorship conjecture (WCCC) can also be…

High Energy Physics - Theory · Physics 2024-05-14 Feng-Li Lin , Bo Ning

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 present a systematic analysis of the Weak Cosmic Censorship Conjecture (WCCC) through Gedankenexperiments involving black hole perturbations induced by test particles. Our approach allows for the calculation of perturbations to any order…

General Relativity and Quantum Cosmology · Physics 2025-05-21 Kai-Peng Lu , Peng-Yu Wu , H. Lu

We innovate a systematic investigation of the Weak Cosmic Censorship Conjecture (WCCC) using gedanken experiments involving black hole perturbations by test particles. We classify various WCCC violation scenarios proposed in recent decades,…

General Relativity and Quantum Cosmology · Physics 2025-12-16 Peng-Yu Wu , H. Khodabakhshi , H. Lu

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

We investigate the weak cosmic censorship conjecture (WCCC) violation through the absorption of a charged, rotating test particle by Kerr Newman spacetime in modified gravity (KN MOG). The result is sensitive to multiple factors, including…

General Relativity and Quantum Cosmology · Physics 2025-08-26 Waqar Ahmad , Abdul Rehman Kashif

Based on the new version of the gedanken experiment proposed by Sorce and Wald, we investigate the weak cosmic censorship conjecture (WCCC) for a Reissner-Nordstr\"{o}m-Anti-de Sitter (RN-AdS) black hole under the perturbation of extra…

High Energy Physics - Theory · Physics 2020-07-29 Xin-Yang Wang , Jie Jiang

We revisit the mechanism for violating the weak cosmic-censorship conjecture (WCCC) by overspinning a nearly-extreme charged black hole. The mechanism consists of an incoming massless neutral scalar particle, with low energy and large…

General Relativity and Quantum Cosmology · Physics 2009-07-30 G. E. A. Matsas , M. Richartz , A. Saa , A. R. R. da Silva , D. A. T. Vanzella

It has been established that Strong Cosmic Censorship Conjecture (SCCC) is respected by an asymptotically flat black hole with charge, but violated by a charged asymptotically de Sitter black hole. We studied the instability of the Cauchy…

General Relativity and Quantum Cosmology · Physics 2023-07-06 Ming Zhang , Jie Jiang

Weak cosmic censorship conjecture (WCCC) is a basic principle that guarantees the predictability of spacetime and should be valid in any classical theories. One critical scientific question is whether the WCCC can serve as a constraint to…

General Relativity and Quantum Cosmology · Physics 2021-10-05 Jie Jiang , Aofei Sang , Ming Zhang

If radiative and self-force effects are neglected, we find that feeding a test particle into a near-extremal Kerr-Newman-AdS black hole could lead to destroy their event horizon, giving rise to naked singularities. Hence radiative and…

General Relativity and Quantum Cosmology · Physics 2018-06-13 Yu Song , Rui-Hong Yue

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

Accelerating black holes have been widely studied in the context of black hole thermodynamics, holographic gravity theories, and in the description of black holes at the center of galaxies. As a fundamental assumption to ensure spacetime…

General Relativity and Quantum Cosmology · Physics 2023-12-29 Jie Jiang , Ming Zhang

In this paper, we investigate the validity of the weak cosmic censorship conjecture(WCCC) for a rotating linear dilaton black hole from two different methods. By using the classsical ingoing test particle method, we obtain the same results…

General Relativity and Quantum Cosmology · Physics 2021-04-22 Fei Qu , Si-Jiang Yang , Zhi Wang , Ji-Rong Ren

In this paper, we investigate the strong cosmic censorship conjecture (SCC) for charged black holes in the de Sitter space by considering the weak gravity conjecture (WGC). Using analytical methods, we find that the SCC is preserved for…

High Energy Physics - Theory · Physics 2023-02-28 Jafar Sadeghi , Mohammad Reza Alipour , Saeed Noori Gashti

The strong cosmic censorship conjecture states (SCCC) that one cannot extend spacetime beyond the Cauchy horizon with a square-integrable connection. This conjecture was postulated to save the deterministic nature of the most successful…

General Relativity and Quantum Cosmology · Physics 2022-10-03 Chiranjeeb Singha , Naresh Dadhich

In this study, we investigate the Weak Gravity Conjecture (WGC) and Weak Cosmic Censorship Conjecture (WCCC) for a quantum-corrected Reissner-Nordstr\"om Anti-de Sitter (RN-AdS) black hole embedded in Kiselev spacetime. By making small…

General Relativity and Quantum Cosmology · Physics 2025-06-03 Ankit Anand , Anshul Mishra , Phongpichit Channuie

By throwing a test charged particle into a Reissner-Nordstrom (RN) black hole, we test the validity of the first and second laws of thermodynamics and weak cosmic censorship conjecture (WCCC) with two types of boundary conditions, i.e., the…

General Relativity and Quantum Cosmology · Physics 2021-03-04 Peng Wang , Houwen Wu , Shuxuan Ying
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