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Numerical Approaches to Spacetime Singularities [PDF]

open access: yesLiving Reviews in Relativity, 1998
This review updates a previous review article. Numerical explorationof the properties of singularities could, in principle, yield detailed understanding of their nature in physically realistic cases.
Beverly K. Berger
doaj   +9 more sources

Numerical Approaches to Spacetime Singularities [PDF]

open access: yesLiving Reviews in Relativity, 2002
This Living Review updates a previous version which is itself an update of a review article. Numerical exploration of the properties of singularities could, in principle, yield detailed understanding of their nature in physically realistic cases ...
Berger Beverly K.
doaj   +2 more sources

Trans-Planckian Censorship and Spacetime Singularities

open access: yesMathematics, 2023
We study the effects of trans-Planckian censorship conjecture (TCC) bounds on geodesic completeness of spacetime and the associated existence for an infinite proper time.
Spiros Cotsakis, John Miritzis
doaj   +3 more sources

Dynamic generation or removal of a scalar hair

open access: yesJournal of High Energy Physics, 2023
We study dynamic processes through which the scalar hair of black holes is generated or detached in a theory with a scalar field non-minimally coupled to Gauss-Bonnet and Ricci scalar invariants.
Yunqi Liu   +4 more
doaj   +1 more source

Regular black holes without mass inflation instability

open access: yesJournal of High Energy Physics, 2022
Generic models of regular black holes have separate outer and inner horizons, both with nonzero surface gravity. It has been shown that a nonzero inner horizon surface gravity results in exponential instability at the inner horizon controlled by this ...
Raúl Carballo-Rubio   +4 more
doaj   +1 more source

Revisiting the second law and weak cosmic censorship conjecture in high-dimensional charged-AdS black hole: an additional assumption

open access: yesJournal of High Energy Physics, 2023
The verification of the second law of black hole mechanics and the WCCC in the context of enthalpy as mass of the black hole and its related thermodynamic properties has not been tested through a vast number of literature in the recent past. Such studies
Md Sabir Ali   +3 more
doaj   +1 more source

Analytic and asymptotically flat hairy (ultra-compact) black-hole solutions and their axial perturbations

open access: yesJournal of High Energy Physics, 2022
In this work, we consider a very simple gravitational theory that contains a scalar field with its kinetic and potential terms minimally coupled to gravity, while the scalar field is assumed to have a coulombic form.
Athanasios Bakopoulos, Theodoros Nakas
doaj   +1 more source

Strong cosmic censorship conjecture for a charged BTZ black hole

open access: yesJournal of High Energy Physics, 2022
The strong cosmic censorship conjecture, whose validation asserts the deterministic nature of general relativity, has been studied for charged BTZ black holes in three dimensional general relativity, as well as for Nth order pure Lovelock gravity in d=2N+
Chiranjeeb Singha   +2 more
doaj   +1 more source

A $$1+5$$ 1 + 5 -dimensional gravitational-wave solution: curvature singularity and spacetime singularity

open access: yesEuropean Physical Journal C: Particles and Fields, 2017
We solve a $$1+5$$ 1 + 5 -dimensional cylindrical gravitational-wave solution of the Einstein equation, in which there are two curvature singularities. Then we show that one of the curvature singularities can be removed by an extension of the spacetime ...
Yu-Zhu Chen, Wen-Du Li, Wu-Sheng Dai
doaj   +1 more source

On the assumptions leading to the information loss paradox

open access: yesJournal of High Energy Physics, 2021
The information loss paradox is usually stated as an incompatibility between general relativity and quantum mechanics. However, the assumptions leading to the problem are often overlooked and, in fact, a careful inspection of the main hypothesises ...
Luca Buoninfante   +2 more
doaj   +1 more source

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