Five-dimensional black strings in Einstein-Gauss-Bonnet gravity

Details Five-dimensional black strings in Einstein-Gauss-Bonnet gravity Five-dimensional black strings in Einstein-Gauss-Bonnet gravity

2004-12-30

arxiv.org/abs/gr-qc/0412139v3

Phys.Rev. D71 (2005) 084005

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, 8 figures. v2: typos corrected. Comments, references added. v3: references added

Scientific paper

10.1103/PhysRevD.71.084005

We consider black-string-type solutions in five-dimensional Einstein-Gauss-Bonnet gravity. Numerically constructed solutions under static, axially symmetric and translationally invariant metric ansatz are presented. The solutions are specified by two asymptotic charges: mass of a black string and a scalar charge associated with the radion part of the metric. Regular black string solutions are found if and only if the two charges satisfy a fine-tuned relation, and otherwise the spacetime develops a singular event horizon or a naked singularity. We can also generate bubble solutions from the black strings by using a double Wick rotation.

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