Results 21 to 30 of about 1,367 (297)
NAKED SINGULARITY EXPLOSION [PDF]
The Ninth Marcel Grossmann Meeting, 2000 6 pages, 3 figures, Accepted for Publication in Phys. Rev.
Harada, Tomohiro +2 more
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Do naked singularities form? [PDF]
Classical and Quantum Gravity, 1996 A naked singularity is formed by the collapse of a Sine-Gordon soliton in 1+1 dimensional dilaton gravity with a negative cosmological constant. We examine the quantum stress tensor resulting from the formation of the singularity. Consistent boundary conditions require that the incoming soliton is accompanied by a flux of incoming radiation across past
Vaz, Cenalo, Witten, Louis
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Naked singularity and a thunderbolt [PDF]
Physical Review D, 2002 We consider quantum theoretical effects of the sudden change of the boundary conditions which mimics the occurrence of naked singularities. For a simple demonstration, we study a massless scalar field in $(1 + 1)$-dimensional Minkowski spacetime with finite spatial interval.
A.Ishibashi, A. Hosoya
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Gravitational radiation from a cylindrical naked singularity [PDF]
Physical Review D, 2005 We construct an approximate solution which describes the gravitational emission from a naked singularity formed by the gravitational collapse of a cylindrical thick shell composed of dust. The assumed situation is that the collapsing speed of the dust is very large.
Ken-ichi Nakao, Yoshiyuki Morisawa
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Some remarks on the naked singularity phenomenon
Physics of Complex Systems, 2020 This paper describes a naked singularity phenomenon. The study presents necessary definitions and methods for dealing with this effect. Moreover, the article gives two explicit examples of the naked singularity formation.
Виталий Дмитриевич Вертоградов
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Timelike naked singularity [PDF]
Physical Review D, 2004 We construct a class of spherically symmetric collapse models in which a naked singularity may develop as the end state of collapse. The matter distribution considered has negative radial and tangential pressures, but the weak energy condition is obeyed throughout.
Rituparno Goswami +3 more
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Causal structure of singularity in non-spherical gravitational collapse
European Physical Journal C: Particles and Fields, 2022 We investigate here the final state of gravitational collapse of a non-spherical and non-marginally bound dust cloud as modeled by the Szekeres spacetime.
Dipanjan Dey +3 more
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Effects of a modified Reissner-Nordström spacetime
Physics Letters B, 2023 A modified Reissner-Nordström spacetime is considered here, where the central object (for example, a black hole or naked singularity) possesses a mass, with an “ordinary”, i.e., Standard Model (SM) electric charge, along with a “dark” electric charge ...
J.R. Morris
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Strength of the naked singularity in critical collapse
European Physical Journal C: Particles and Fields, 2020 The critical collapse of a scalar field is a threshold solution of black hole formation, in which a naked singularity arises. We study here the curvature strength of this singularity using a numerical ansatz.
Jun-Qi Guo +4 more
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Quantum complexity and bulk timelike singularities
Journal of High Energy Physics, 2023 Quantum complexity has already shed light on CFT states dual to bulk geometries containing spacelike singularities [1–3]. In this work, we turn our attention to the quantum complexity of CFT/quantum gravity states which are dual to bulk geometries ...
Gaurav Katoch, Jie Ren, Shubho R. Roy
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