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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Journal ArticleDOI
Non-equilibrium dynamics and $AdS_4$ Robinson-Trautman
Ioannis Bakas,Kostas Skenderis +1 more
TL;DR: In this paper, it was shown that the area of the past apparent horizon of the Robinson-Trautman space-times satisfies a generalized Penrose inequality and provided evidence for a suitable generalization of Thorne's hoop conjecture.
Journal ArticleDOI
Viewing black holes by waves
Ken-ichiro Kanai,Yasusada Nambu +1 more
TL;DR: In this article, the authors studied the scattering of waves by black holes and reconstructed images of the black hole from scattered wave data for specified scattering angles for the forward and backward directions, showing rings corresponding to the glories associated with the existence of the unstable circular photon orbit in the Schwarzschild spacetime.
Journal ArticleDOI
Mesons in a soft-wall AdS-Schwarzschild approach at low temperature
TL;DR: In this article, a holographic soft-wall approach for the description of mesons at finite temperature is presented, where the temperature corrections arise from the temperature dependence of the dilaton parameter (which is the parameter of spontaneous breaking of chiral symmetry related to the pseudoscalar meson decay constant) and warping of the AdS metric due to temperature.
Journal ArticleDOI
Superradiance instability of small rotating AdS black holes in arbitrary dimensions
Özgür Delice,Türküler Durğut +1 more
TL;DR: In this paper, the stability of single rotating Myers-Perry-AdS black holes under superradiance against scalar field perturbations is investigated. But the authors only consider the case of rotating small AdS black-holes.
Posted Content
Probing Particle Physics with Gravitational Waves
TL;DR: In this article, the authors explore new ways of probing particle physics at the weak-coupling frontier through current and future gravitational-wave observations, and show that the results point towards the presence of physics beyond the Standard Model.