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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Stability of nonradial oscillations of cold nonrotating neutron stars. i. general method.
TL;DR: In this paper, a general method for analysing the stability of equilibrium configurations of cold nonrotating fully relativistic neutron stars for nonradial modes of oscillation is outlined, on the assumption that the star is made of a perfect fluid.
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On the linear stability of the extreme Kerr black hole under axially symmetric perturbations
TL;DR: In this paper, it was shown that for axially symmetric linear gravitational perturbations of the extreme Kerr black hole there exists a positive definite and conserved energy, which provides a basic criteria for linear stability in axial symmetry.
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Quasinormal modes of a black hole with quintessence-like matter and a deficit solid angle: scalar and gravitational perturbations
TL;DR: Li et al. as discussed by the authors studied the quasinormal modes of a global monopole by WKB method and showed that both the real and imaginary frequencies decrease as the state parameter $w$ for scalar and gravitational perturbations.
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Quasi-Normal Modes of Hairy Scalar Tensor Black Holes: Odd Parity
TL;DR: In this paper, the odd parity gravitational quasi-normal mode spectrum of black holes with non-trivial scalar hair in Horndeski gravity is investigated, and statistical error estimates for the new hairy parameters of the black hole and scalar field are given.
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Thermodynamic and classical instability of AdS black holes in fourth-order gravity
Yun Soo Myung,Taeyoon Moon +1 more
TL;DR: In this paper, the authors studied thermodynamic and classical instability of AdS black holes in fourth-order gravity and established the connection between the thermodynamic instability and the GL instability.