From the 1 of 5 linked papers with an AI index.
5 papers
Universal thermodynamic topological classes of the charged dRGT black string
Hao Chen, Meng-Yao Zhang, Yi Yang +2
The paper investigates how the thermodynamic stability and topological classification of charged dRGT black strings change between the canonical and grand canonical ensembles, find…
Ringdown of a black hole sourced by a Burkert-density effective anisotropic source
Yi Yang, Gaetano Lambiase, Ali Ovgun +2
We construct a static, spherically symmetric black hole spacetime sourced by an effective anisotropic matter distribution whose energy density follows the cored Burkert profile. Th…
Echoes of a hairy black hole from gravitational decoupling
Yi Yang, Ali Ovgun, Gaetano Lambiase +2
We study axial gravitational perturbations of a hairy black hole constructed in the framework of gravitational decoupling and investigate the geometric origin of echo-like late-tim…
Black holes surrounded by dark matter spike: Spacetime metrics and gravitational wave ringdown waveforms
Dong Liu, Yi Yang, Zheng-wen Long
The supermassive black holes at the centers of galaxies may be surrounded by dark matter spike, which could leave detectable imprints on the gravitational wave signals they emit. I…
Quasinormal modes of Kerr-like black bounce spacetime
Yi Yang, Dong Liu, Ali Ãvgün +2
We investigate the quasinormal mode (QNM) spectrum of a Kerr-like black-bounce spacetime under massive scalar-field perturbations. Starting from the Kerr-like deformation of the Si…