Superradiance and instabilities in black holes surrounded by anisotropic fluids
In this paper we analyze the propagation of a charged scalar field in a Reissner-Nordström
black hole endowed with one anisotropic fluid that can play the role of a cosmological term …
black hole endowed with one anisotropic fluid that can play the role of a cosmological term …
Nonlinear stability of self-gravitating irrotational Chaplygin fluids in a FLRW geometry
PG LeFloch, C Wei - Annales de l'Institut Henri Poincaré C, Analyse non …, 2021 - Elsevier
We analyze the global nonlinear stability of FLRW (Friedmann-Lemaître-Robertson-Walker)
spacetimes in the presence of an irrotational perfect fluid. We assume that the fluid is …
spacetimes in the presence of an irrotational perfect fluid. We assume that the fluid is …
Future stability of the FLRW spacetime for a large class of perfect fluids
C Liu, C Wei - Annales Henri Poincaré, 2021 - Springer
We establish the future nonlinear stability of Friedmann–Lemaître–Robertson–Walker
(FLRW) solutions to the Einstein–Euler equations of the universe filled with a large class of …
(FLRW) solutions to the Einstein–Euler equations of the universe filled with a large class of …
Optical properties of a Brane-World black hole as photons couple to the Weyl tensor
HX Zhang, C Li, PZ He, QQ Fan, JB Deng - The European Physical …, 2020 - Springer
In this article, we have investigated the equations of motion of the photons coupled to Weyl
tensor by the geometric optics approximation and the corresponding shadow in a Brane …
tensor by the geometric optics approximation and the corresponding shadow in a Brane …
Viscous dissipative Chaplygin gas dominated homogenous and isotropic cosmological models
CSJ Pun, LA Gergely, MK Mak, Z Kovacs… - Physical Review D …, 2008 - APS
The generalized Chaplygin gas, which interpolates between a high density relativistic era
and a nonrelativistic matter phase, is a popular dark energy candidate. We consider a …
and a nonrelativistic matter phase, is a popular dark energy candidate. We consider a …
Quantum FRW cosmological solutions in the presence of Chaplygin gas and perfect fluid
We present a Friedmann–Robertson–Walker quantum cosmological model in the presence
of Chaplygin gas and perfect fluid for early and late time epochs. In this work, we consider …
of Chaplygin gas and perfect fluid for early and late time epochs. In this work, we consider …
Classical tests in brane gravity
The vacuum solutions in brane gravity differ from those in 4D by a number of additional
terms and reduce to the familiar Schwarzschild metric at small distances. We study the …
terms and reduce to the familiar Schwarzschild metric at small distances. We study the …
Null fluid collapse in brane world models
T Harko, MJ Lake - Physical Review D, 2014 - APS
The brane world description of our Universe entails a large extra dimension and a
fundamental scale of gravity that may be lower than the Planck scale by several orders of …
fundamental scale of gravity that may be lower than the Planck scale by several orders of …
Black hole accretion disks in brane gravity via a confining potential
M Heydari-Fard - Classical and Quantum Gravity, 2010 - iopscience.iop.org
Accretion disks are among the most luminous and ubiquitous sources in astrophysics and
they have drawn a good deal of attention from the observational and theoretical …
they have drawn a good deal of attention from the observational and theoretical …
Spherically symmetric solutions and gravitational collapse in brane-worlds
We consider spherically symmetric solutions within the context of brane-world theory without
mirror symmetry or any form of junction conditions. For a constant curvature bulk, we obtain …
mirror symmetry or any form of junction conditions. For a constant curvature bulk, we obtain …