Article (Scientific journals)
Kaluza-Klein monopole with scalar hair
Brihaye, Yves; eugen radu; carlos herdeiro et al.
2023In Journal of High Energy Physics
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Keywords :
black holes, solitons, higher dimensional gravity
Abstract :
[en] We construct a new family of rotating black holes with scalar hair and a regular horizon of spherical topology, within five dimensional (d = 5) Einstein’s gravity minimally coupled to a complex, massive scalar field doublet. These solutions represent generalizations of the Kaluza-Klein monopole found by Gross, Perry and Sorkin, with a twisted S 1 bundle over a four dimensional Minkowski spacetime being approached in the far field. The black holes are described by their mass, angular momentum, tension and a conserved Noether charge measuring the hairiness of the configurations. They are supported by rotation and have no static limit, while for vanishing horizon size, they reduce to boson stars. When performing a Kaluza-Klein reduction, the d = 5 solutions yield a family of d = 4 spherically symmetric dyonic black holes with gauged scalar hair. This provides a link between two seemingly unrelated mechanisms to endow a black hole with scalar hair: the d = 5 synchronization condition between the scalar field frequency and the event horizon angular velocity results in the d = 4 resonance condition between the scalar
Research center :
AGIF - Algèbre, Géométrie et Interactions fondamentales
Disciplines :
Physics
Author, co-author :
Brihaye, Yves ;  Université de Mons - UMONS > Faculté des Science > Service de Physique de l'Univers, Champs et Gravitation
eugen radu
carlos herdeiro
joao novo
Language :
English
Title :
Kaluza-Klein monopole with scalar hair
Publication date :
05 December 2023
Journal title :
Journal of High Energy Physics
ISSN :
1126-6708
eISSN :
1029-8479
Publisher :
Springer, Heidelberg, Germany
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
S827 - Physique de l'Univers, Champs et Gravitation
Research institute :
Complexys
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