Asymptotically flat black holes with scalar hair: a review

CAR Herdeiro, E Radu - International Journal of Modern Physics D, 2015 - World Scientific
We consider the status of black hole (BH) solutions with nontrivial scalar fields but no gauge
fields, in four-dimensional asymptotically flat spacetimes, reviewing both classical results …

Black holes with scalar hair in light of the Event Horizon Telescope

M Khodadi, A Allahyari, S Vagnozzi… - Journal of Cosmology …, 2020 - iopscience.iop.org
Searching for violations of the no-hair theorem (NHT) is a powerful way to test gravity, and
more generally fundamental physics, particularly with regards to the existence of additional …

Kerr black holes with Proca hair

C Herdeiro, E Radu, H Runarsson - Classical and Quantum …, 2016 - iopscience.iop.org
Bekenstein proved that in Einstein's gravity minimally coupled to one (or many) real,
Abelian, Proca field, stationary black holes (BHs) cannot have Proca hair. Dropping …

Black hole solutions in scalar-tensor symmetric teleparallel gravity

S Bahamonde, JG Valcarcel, L Järv… - Journal of Cosmology …, 2022 - iopscience.iop.org
Symmetric teleparallel gravity is constructed with a nonzero nonmetricity tensor while both
torsion and curvature are vanishing. In this framework, we find exact scalarised spherically …

Einstein-Maxwell-scalar black holes: classes of solutions, dyons and extremality

D Astefanesei, C Herdeiro, A Pombo… - Journal of High Energy …, 2019 - Springer
A bstract Spherical black hole (BH) solutions in Einstein-Maxwell-scalar (EMS) models
wherein the scalar field is non-minimally coupled to the Maxwell invariant by some coupling …

Effect of the hair on deflection angle by asymptotically flat black holes in Einstein-Maxwell-dilaton theory

W Javed, J Abbas, A Övgün - Physical Review D, 2019 - APS
In this paper, we are interested in a model of exact asymptotically flat charged hairy black
holes in the background of a dilaton potential. We study the weak gravitational lensing in the …

Novel exact ultracompact and ultrasparse hairy black holes emanating from regular and phantom scalar fields

A Bakopoulos, T Nakas - Physical Review D, 2023 - APS
In the framework of a simple gravitational theory that contains a scalar field minimally
coupled to gravity, we investigate the emergence of analytic black-hole solutions with …

Analytic three-dimensional primary hair charged black holes and thermodynamics

S Priyadarshinee, S Mahapatra - Physical Review D, 2023 - APS
We present and discuss new families of primary hair charged black hole solutions in
asymptotically anti–de Sitter space in three dimensions. The coupled Einstein-Maxwell …

Small black hole explosions

R Angius, J Huertas, AM Uranga - Journal of High Energy Physics, 2023 - Springer
A bstract Small black holes are a powerful tool to explore infinite distances in moduli spaces.
However, we show that in 4d theories with a scalar potential growing fast enough at infinity …

Genuine N-partite entanglement and distributed relationships in the background of dilation black holes

SM Wu, YT Cai, WJ Peng, HS Zeng - The European Physical Journal C, 2022 - Springer
With the complexity of information tasks, the bipartite and tripartite entanglement can no
longer meet our needs, and we need more entangled particles to process relativistic …