Wormholes, naked singularities and universes of ghost radiation

Details Wormholes, naked singularities and universes of ghost radiation Wormholes, naked singularities and universes of ghost radiation

2002-04-03

arxiv.org/abs/gr-qc/0204016v2

Phys.Rev. D65 (2002) 127503

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, 10 figures, minor changes to match the published version

Scientific paper

10.1103/PhysRevD.65.127503

Both the static and homogeneous metrics describing the spherically symmetric gravitational field of a crossflow of incoming and outgoing null dust streams are generalized for the case of the two-component ghost radiation. Static solutions represent either naked singularities or the wormholes recently found by Hayward. The critical value of the parameter separating the two possibilities is given. The wormhole is allowed to have positive mass. The homogeneous solutions are open universes.

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