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arXiv · 1612.08184

Dynamical scalar hair formation around a Schwarzschild black hole

Robert Benkel·Thomas P. Sotiriou·Helvi Witek
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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.

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Robert Benkel, Thomas P. Sotiriou, Helvi Witek. 2016-12-24. Dynamical scalar hair formation around a Schwarzschild black hole. https://doi.org/10.1103/physrevd.94.121503

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