Hairy rotating black holes in cubic Galileon theory
Karim Van Aelst, Eric Gourgoulhon, Philippe Grandcl\'ement, Christos, Charmousis
TL;DR
This paper presents numerical solutions for rotating black holes with scalar hair in cubic Galileon theory, revealing deviations from Kerr black holes and unique asymptotic behaviors.
Contribution
It provides the first numerical solutions for asymptotically flat rotating black holes with scalar hair in cubic Galileon theory, highlighting their distinct properties.
Findings
Black holes have nontrivial scalar fields and faster-than-1/r convergence to Minkowski space.
Significant deviations from Kerr black holes in physical properties.
Vanishing Komar mass due to asymptotic behavior.
Abstract
Numerical solutions for asymptotically flat rotating black holes in the cubic Galileon theory are presented. These black holes are endowed with a nontrivial scalar field and exhibit a non-Schwarzschild behaviour: faster than convergence to Minkowski spacetime at spatial infinity and hence vanishing of the Komar mass. The metrics are compared with the Kerr metric for various couplings and angular velocities. Their physical properties are extracted and show significant deviations from the Kerr case.
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