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arXiv · 1903.05519

Rotating Black Holes in Higher Order Gravity

Christos Charmousis·Marco Crisostomi·Ruth Gregory·Nikolaos Stergioulas
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Abstract

We develop a new technique for finding black hole solutions in modified gravity that have "stealth" hair, i.e., hair whose only gravitational effect is to tune the cosmological constant. We consider scalar-tensor theories in which gravitational waves propagate at the speed of light, and show that Einstein metrics can be painted with stealth hair provided there exists a family of geodesics always normal to spacelike surfaces. We also present a novel scalar-dressed rotating black hole that has finite scalar field at both the black hole and cosmological event horizons.

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Christos Charmousis, Marco Crisostomi, Ruth Gregory, Nikolaos Stergioulas. 2019-03-13. Rotating Black Holes in Higher Order Gravity. https://doi.org/10.1103/physrevd.100.084020

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