C-metric like vacuum with non-negative cosmological constant in five dimensions

Details C-metric like vacuum with non-negative cosmological constant in five dimensions C-metric like vacuum with non-negative cosmological constant in five dimensions

2009-10-18

arxiv.org/abs/0910.3358v1

Physics

High Energy Physics

High Energy Physics - Theory

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Scientific paper

We present and analyze an exact 5-dimensional vacuum solution of Einstein equation with non-negative cosmological constant written in a C-metric like coordinate. The metric does not contain any black hole horizons in it, but has two acceleration horizons and a static patch in between. The coordinate system, horizon geometry and global structures are analyzed in detail, and in the case of vanishing cosmological constant, a simple exterior geometric interpretation is given. The metric possesses a spacelike Killing coordinate $\phi$ besides the timelike coordinate $t$, along which the spacetime can be dimensionally reduced via Kaluza-Klein mechanism and interpreted as Einstein gravity coupled to a 4 dimensional Liouville field (and a Maxwell field as well if a boost operation is performed before the Kaluza-Klein reduction).

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