Dynamical scalar hair formation around a Schwarzschild black hole
General Relativity and Quantum Cosmology
2018-07-19 v2 High Energy Astrophysical Phenomena
High Energy Physics - Theory
Abstract
Scalar fields coupled to the Gauss-Bonnet invariant evade the known no-hair theorems and have nontrivial configurations around black holes. We focus on a scalar field that couples linearly to the Gauss-Bonnet invariant and hence exhibits shift symmetry. We study its dynamical evolution and the formation of scalar hair in a Schwarzschild background. We show that the evolution eventually settles to the known static hairy solutions in the appropriate limit.
Keywords
Cite
@article{arxiv.1612.08184,
title = {Dynamical scalar hair formation around a Schwarzschild black hole},
author = {Robert Benkel and Thomas P. Sotiriou and Helvi Witek},
journal= {arXiv preprint arXiv:1612.08184},
year = {2018}
}
Comments
5 pages, 5 figures. v2 updated acknowledgements