Black Holes and Wormholes in 2+1 Dimensions

Details Black Holes and Wormholes in 2+1 Dimensions Black Holes and Wormholes in 2+1 Dimensions

1997-07-15

arxiv.org/abs/gr-qc/9707036v1

Class.Quant.Grav. 15 (1998) 627-644

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

23 pages, LaTeX, 11 figures

Scientific paper

10.1088/0264-9381/15/3/013

A large variety of spacetimes---including the BTZ black holes---can be obtained by identifying points in 2+1 dimensional anti-de Sitter space by means of a discrete group of isometries. We consider all such spacetimes that can be obtained under a restriction to time symmetric initial data and one asymptotic region only. The resulting spacetimes are non-eternal black holes with collapsing wormhole topologies. Our approach is geometrical, and we discuss in detail: The allowed topologies, the shape of the event horizons, topological censorship and trapped curves.

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