Horizons of Coalescing Black Holes on Eguchi-Hanson Space

Details Horizons of Coalescing Black Holes on Eguchi-Hanson Space Horizons of Coalescing Black Holes on Eguchi-Hanson Space

2007-08-06

arxiv.org/abs/0708.0708v2

Class.Quant.Grav.25:095017,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

20 pages, 11 figures CQG accepted version

Scientific paper

10.1088/0264-9381/25/9/095017

Using the numerical method, we study dynamics of coalescing black holes on the Eguchi-Hanson base space. Effects of a difference in spacetime topology on the black hole dynamics is discussed. We analyze appearance and disappearance process of marginal surfaces. In our calculation, the area of a coverall black hole horizon at the creation time in the coalescing black holes solutions on Eguchi-Hanson space is larger than that in the five-dimensional Kastor-Traschen solutions. This fact suggests that the black hole production on the Eguchi-Hanson space is easier than that on the flat space.

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