Journal ArticleDOI
Stability of a Schwarzschild Singularity
TLDR
In this article, it was shown that a Schwarzschild singularity, spherically symmetrical and endowed with mass, will undergo small vibrations about the spherical form and therefore remain stable if subjected to a small nonspherical perturbation.Abstract:
It is shown that a Schwarzschild singularity, spherically symmetrical and endowed with mass, will undergo small vibrations about the spherical form and will therefore remain stable if subjected to a small nonspherical perturbation.read more
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Gravitational waves in Friedman–Lemaitre–Robertson–Walker cosmology, material perturbations and cosmological rotation, and the Huygens principle
Wojciech Kulczycki,Edward Malec +1 more
TL;DR: In this paper, it was shown that the status of the Huygens principle is the same for both axial and polar gravitational waves in cosmological space-times.
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Distributions of charged massive scalars and fermions from evaporating higher-dimensional black holes
TL;DR: In this paper, a detailed numerical analysis is performed to obtain the Hawking spectrum for charged, massive brane scalars and fermions on the approximate background of a brane charged rotating higher-dimensional black hole constructed in [1].
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Instabilities of extremal rotating black holes in higher dimensions
TL;DR: In this paper, an extended version of Durkee and Reall's conjecture was proved using a combination of methods such as (1) the canonical energy method, (2) algebraically special properties of the near horizon geometries associated with the black hole, (3) the Corvino-Schoen technique, and (4) semiclassical analysis.
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CMB spectral distortions constraints on primordial black holes, cosmic strings and long lived unstable particles revisited
TL;DR: In this article, the spectral distortions from the evaporation of primordial black holes before the epoch of recombination were calculated, taking into account emission of all standard model particles, including quark and gluons, and evolving the resulting particle cascades in the expanding Universe.
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Gauge invariant perturbations of the Schwarzschild spacetime
TL;DR: In this paper, the authors present a compilation of some of Detweiler's working results, arising from notes for which there seems to have been no manuscript in preparation, and explain the process by which he found them.