paper

Hairy black hole solutions in gauge-invariant scalar-vector-tensor theories

arXiv:1802.07035 · doi:10.1016/j.physletb.2018.03.059

Abstract

In gauge-invariant scalar-vector-tensor theories with second-order equations of motion, we study the properties of black holes (BH) on a static and spherically symmetric background. In shift-symmetric theories invariant under the shift of scalar , we show the existence of new hairy BH solutions where a cubic-order scalar-vector interaction gives rise to a scalar hair manifesting itself around the event horizon. In the presence of a quartic-order interaction besides the cubic coupling, there are also regular BH solutions endowed with scalar and vector hairs.

10 pages, 1 figure

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