Mixed scalarization of charged black holes: From spontaneous to nonlinear scalarization
Z Belkhadria, AM Pombo - Physical Review D, 2024 - APS
Scalarized black holes (BH) have been shown to form dynamically in extended-scalar-
tensor theories, either through spontaneous scalarization—when the BH is unstable against …
tensor theories, either through spontaneous scalarization—when the BH is unstable against …
The rotating solutions beyond the spontaneous scalarization in Einstein-Maxwell-scalar theory
W Xiong, CY Zhang, PC Li - Journal of Cosmology and …, 2024 - iopscience.iop.org
Abstract The Einstein-Maxwell-scalar (EMS) theory with a quartic coupling function features
three branches of fundamental black hole (BH) solutions, labeled as cold, hot, and bald …
three branches of fundamental black hole (BH) solutions, labeled as cold, hot, and bald …
Magnetically charged regular black holes in f (R, T) gravity coupled to nonlinear electrodynamics
T Tangphati, M Youk, S Ponglertsakul - Journal of High Energy …, 2024 - Elsevier
We construct asymptotically flat, static spherically symmetric black holes with regular centre
in f (R, T) gravity coupled to nonlinear electrodynamics Lagrangian. We obtain generalized …
in f (R, T) gravity coupled to nonlinear electrodynamics Lagrangian. We obtain generalized …
Scalarization of Kerr–Newman black holes in the Einstein–Chern–Simons-scalar theory
We investigate the tachyonic instability of Kerr–Newman (KN) black hole with a rotation
parameter a in the Einstein–Chern–Simons-scalar theory coupled with a quadratic massive …
parameter a in the Einstein–Chern–Simons-scalar theory coupled with a quadratic massive …
Hairy black holes in extended Einstein-Maxwell-scalar theories with magnetic charge and kinetic couplings
K Taniguchi, S Takagishi, R Kase - Physical Review D, 2024 - APS
We study static and spherically symmetric black hole (BH) solutions in extended Einstein-
Maxwell-scalar theories which is classified in a subclass of the U (1) gauge-invariant scalar …
Maxwell-scalar theories which is classified in a subclass of the U (1) gauge-invariant scalar …
Remarks on the light ring images and the optical appearance of hairy black holes in Einstein–Maxwell-dilaton gravity
C Promsiri, W Horinouchi, E Hirunsirisawat - The European Physical …, 2024 - Springer
The behaviors of null geodesics in the spherical symmetric black holes in Einstein–Maxwell-
dilaton (EMD) theory with coupling function f (Φ)= e-2 α Φ are meticulously analyzed. We …
dilaton (EMD) theory with coupling function f (Φ)= e-2 α Φ are meticulously analyzed. We …
Phase structure of holographic superconductors in an Einstein-scalar-Gauss-Bonnet theory with spontaneous scalarization
The holographic superconductor phase transition and spontaneous scalarization are
triggered by the instability of the underlying vacuum black hole spacetime. Although both …
triggered by the instability of the underlying vacuum black hole spacetime. Although both …
Stability of charged scalar hair on Reissner–Nordström black holes
M Shafeeque, MK Nandy - General Relativity and Gravitation, 2024 - Springer
Abstract The Israel–Carter theorem (also known as the “no-hair theorem”) puts a restriction
on the existence of parameters other than mass, electric charge, and angular momentum of …
on the existence of parameters other than mass, electric charge, and angular momentum of …
Nonlinear scalarization of Schwarzschild black holes in Einstein-scalar-Gauss-Bonnet gravity
In this paper, we propose a fully nonlinear mechanism for obtaining scalarized black holes
in Einstein-scalar-Gauss-Bonnet (EsGB) gravity which is beyond the spontaneous …
in Einstein-scalar-Gauss-Bonnet (EsGB) gravity which is beyond the spontaneous …