Document detail
ID
oai:arXiv.org:2305.15467
Topic
General Relativity and Quantum Cos... Astrophysics - High Energy Astroph... High Energy Physics - TheoryAuthor
Herdeiro, Carlos A. R. Radu, EugenCategory
sciences: astrophysics
Year
2023
listing date
5/31/2023
Keywords
spinning equilibriumAbstract
General Relativity minimally coupled to a massive, free, complex scalar field, is shown to allow asymptotically flat solutions, non-singular on and outside the event horizon, describing two spinning black holes (2sBHs) in equilibrium, with co-axial, aligned angular momenta.
The 2sBHs configurations bifurcate from solutions describing dipolar spinning boson stars.
The BHs emerge at equilibrium points diagnosed by a test particle analysis and illustrated by a Newtonian analogue.
The individual BH "charges" are mass and angular momentum only.
Equilibrium is due to the scalar environment, acting as a (compact) dipolar field, providing a lift against their mutual attraction, making the 2sBHs (h)airborne.
We explore the 2sBHs domain of solutions and its main features.
;Comment: 5 pages, 5 figures
Herdeiro, Carlos A. R.,Radu, Eugen, 2023, (H)airborne: two spinning black holes balanced by their synchronised scalar hair
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