Static wormholes in vacuum for conformal gravity

Details Static wormholes in vacuum for conformal gravity Static wormholes in vacuum for conformal gravity

2009-07-07

arxiv.org/abs/0907.1128v1

Int.J.Mod.Phys.A24:1528-1532,2009

Physics

High Energy Physics

High Energy Physics - Theory

Talk given at the 7th Alexander Friedmann International Seminar on Gravitation and Cosmology, Joao Pessoa, Brazil, 29 Jun - 5

Scientific paper

10.1142/S0217751X09044930

A static spherically symmetric wormhole solution for conformal gravity in vacuum is found. The solution possesses a single integration constant which determines the size of the neck connecting two static homogeneous universes of constant spatial curvature. Time runs at different rates on each side of the neck, and depending on the value of the parameter, the wormhole can develop a cosmological horizon only at one side. It is shown that the wormholes correspond to the matching of different Einstein spacetimes by means of improper conformal transformations.

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