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Title: Kerr black holes with synchronised scalar hair and higher azimuthal harmonic index
Author: Delgado, Jorge F. M.
Herdeiro, Carlos A. R.
Radu, Eugen
Issue Date: 10-May-2019
Publisher: Elsevier
Abstract: Kerr black holes with synchronised scalar hair and azimuthal harmonic index m>1 are constructed and studied. The corresponding domain of existence has a broader frequency range than the fundamental m=1 family; moreover, larger ADM masses, M and angular momenta J are allowed. Amongst other salient features, non-uniqueness of solutions for fixed global quantities is observed: solutions with the same M and J co-exist, for consecutive values of m, and the ones with larger m are always entropically favoured. Our analysis demonstrates, moreover, the qualitative universality of various features observed for m=1 solutions, such as the shape of the domain of existence, the typology of ergo-regions, and the horizon geometry, which is studied through its isometric embedding in Euclidean 3-space.
Peer review: yes
DOI: 10.1016/j.physletb.2019.04.009
ISSN: 0370-2693
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