New Black Hole Solutions with Axial Symmetry in Einstein-Yang-Mills Theory

Details New Black Hole Solutions with Axial Symmetry in Einstein-Yang-Mills Theory New Black Hole Solutions with Axial Symmetry in Einstein-Yang-Mills Theory

2005-07-26

arxiv.org/abs/gr-qc/0507110v1

Phys.Lett. B627 (2005) 180-187

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, 3 figures

Scientific paper

10.1016/j.physletb.2005.08.108

We construct new black hole solutions in Einstein-Yang-Mills theory. They are static, axially symmetric and asymptotically flat. They are characterized by their horizon radius and a pair of integers (k,n), where k is related to the polar angle and n to the azimuthal angle. The known spherically and axially symmetric EYM black holes have k=1. For k>1, pairs of new black hole solutions appear above a minimal value of n, that increases with k. Emerging from globally regular solutions, they form two branches, which merge and end at a maximal value of the horizon radius. The difference of their mass and their horizon mass equals the mass of the corresponding regular solution, as expected from the isolated horizon framework.

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