Skyrmions around Kerr black holes and spinning BHs with Skyrme hair
Sign Up to like & getrecommendations! Published in 2018 at "Journal of High Energy Physics"
DOI: 10.1007/jhep10(2018)119
Abstract: A bstractWe study solutions of the Einstein-Skyrme model. Firstly we consider test field Skyrmions on the Kerr background. These configurations — hereafter dubbed Skerrmions — can be in equilibrium with a Kerr black hole (BH)… read more here.
Keywords: around kerr; kerr black; non topological; skyrme model ... See more keywords
Dynamics of particle near time conformal slowly rotating Kerr black hole
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Journal of Physics"
DOI: 10.1016/j.cjph.2021.07.011
Abstract: Abstract In this work, we have developed the time conformal slowly rotating Kerr black hole using the approximate Noether symmetry approach. It is found that the slowly rotating Kerr black hole admits time conformal factor… read more here.
Keywords: kerr black; black hole; hole; time conformal ... See more keywords
Testing disformal non-circular deformation of Kerr black holes with LISA
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2024/06/065
Abstract: There is strong observational evidence that almost every large galaxy has a supermassive black hole at its center. It is of fundamental importance to know whether such black holes are described by the standard Kerr… read more here.
Keywords: black holes; disformal parameter; kerr black; black hole ... See more keywords
Nonlinearities in Kerr black hole ringdown from the Penrose limit
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2025/10/024
Abstract: We provide a fully analytical approach to calculate the nonlinearities of the gravitational waves in the ringdown of a Kerr black hole in the eikonal limit. The corresponding quasi-normal modes are associated to the orbits… read more here.
Keywords: nonlinearities kerr; limit; black hole; penrose limit ... See more keywords
Microscopic states of Kerr black holes from boundary-bulk correspondence * * Supported by Nanhu Scholars Program for Young Scholars of XYNU
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics C"
DOI: 10.1088/1674-1137/abc247
Abstract: It was previously claimed by the author that black holes can be considered as topological insulators. Both black holes and topological insulators have boundary modes, and the boundary modes can be described by an effective… read more here.
Keywords: correspondence; kerr black; black holes; black hole ... See more keywords
Quantum analogue of a Kerr black hole and the Penrose effect in a Bose-Einstein condensate
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.214511
Abstract: Analogue physics became very popular in recent decades. It allows simulating inaccessible physical phenomena, such as black holes, in the laboratory. The first success of analogue physics is in fact much older being due to… read more here.
Keywords: black hole; analogue; bose einstein; kerr black ... See more keywords
Scalar and gravitational hair for extreme Kerr black holes
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.103.l021502
Abstract: For scalar perturbations of an extreme Reissner-Nordstr\"om black hole we show numerically that the Ori prefactor equals the Aretakis conserved charge. For a family of scalar or gravitational perturbations of an extreme Kerr black hole,… read more here.
Keywords: black holes; scalar gravitational; extreme kerr; kerr black ... See more keywords
QED effects on Kerr black hole shadows immersed in uniform magnetic fields
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.104.104028
Abstract: In this work, taking the QED effect into account, we investigate the shadows of the Kerr black holes immersed in uniform magnetic fields through the numerical backward ray-tracing method. We introduce a dimensionless parameter Λ… read more here.
Keywords: black hole; magnetic fields; uniform magnetic; immersed uniform ... See more keywords
Tidal deformations of a binary system induced by an external Kerr black hole
Sign Up to like & getrecommendations! Published in 2023 at "Physical Review D"
DOI: 10.1103/physrevd.107.084011
Abstract: The dynamics of a binary system moving in the background of a black hole is affected by tidal forces. In this work, for the Kerr black hole, we derive the electric and magnetic tidal moments… read more here.
Keywords: system; test particle; kerr black; black hole ... See more keywords
Massive scalar perturbations in Kerr black holes: Near extremal analysis
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review D"
DOI: 10.1103/physrevd.110.124064
Abstract: We study quasinormal modes of massive scalar perturbations in Kerr black holes using the isomonodromic method. For arbitrary scalar masses $M \mu$ and black hole spins $a/M$, we numerically determine the quasinormal frequencies for various… read more here.
Keywords: perturbations kerr; massive scalar; scalar perturbations; kerr black ... See more keywords
Hyperbolic scattering of spinning particles by a Kerr black hole
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review D"
DOI: 10.1103/physrevd.96.084044
Abstract: We investigate the scattering of a spinning test particle by a Kerr black hole within the Mathisson-Papapetrou-Dixon model to linear order in spin. The particle's spin and orbital angular momentum are taken to be aligned… read more here.
Keywords: kerr black; scattering spinning; black hole; hole ... See more keywords