635 citations · 6.4k across the 144 of their papers we have counts for
30 papers · 1 filter
Hawking radiation received at infinity in higher dimensional Reissner-Nordström black hole spacetimes
Kai Lin, Wei-Liang Qian, Xilong Fan +2
In this work, we investigate the Hawking radiation in higher dimensional Reissner-Nordström black holes as received by an observer, resides at infinity. The frequency-dependent tra…
NRPyCritCol & SFcollapse1D: an open-source, user-friendly toolkit to study critical phenomena
Leonardo R. Werneck, Zachariah B. Etienne, Elcio Abdalla +2
We present a new open-source, user-friendly toolkit of two codesSFcollapse1D and NRPyCritColto study critical phenomena in the context of gravitational collapse. SFcollapse1D…
The Dark Sector Cosmology
Elcio Abdalla, Alessandro Marins
The most important problem in fundamental physics is the description of the contents of the Universe. Today, we know that 95% thereof is totally unknown. Two thirds of that amount…
On quasinormal modes for the Vaidya metric in asymptotically anti-de Sitter spacetime
Kai Lin, Yunqi Liu, Wei-Liang Qian +2
In this work, we present a numerical scheme to study the quasinormal modes of the time-dependent Vaidya black hole metric in asymptotically anti-de Sitter spacetime. The proposed a…
Instability of Reissner-Nordström-AdS black hole under perturbations of a scalar field coupled to Einstein tensor
E. Abdalla, B. Cuadros-Melgar, R. D. B. Fontana +3
We study the instability of a Reissner-Nordström-AdS (RNAdS) black hole under perturbations of a massive scalar field coupled to Einstein tensor. Calculating the potential of the s…
A Matrix Method for Quasinormal Modes: Kerr and Kerr-Sen Black Holes
Kai Lin, Wei-Liang Qian, Alan B. Pavan +1
In this letter, a matrix method is employed to study the scalar quasinormal modes of Kerr as well as Kerr-Sen black holes. Discretization is applied to transfer the scalar perturba…