Inflating Lorentzian Wormholes

Details Inflating Lorentzian Wormholes Inflating Lorentzian Wormholes

1992-11-09

arxiv.org/abs/gr-qc/9211012v1

Phys.Rev. D47 (1993) 1370-1379

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

24 pgs

Scientific paper

10.1103/PhysRevD.47.1370

It has been speculated that Lorentzian wormholes of the Morris- Thorne type might be allowed by the laws of physics at submicroscopic, e.g. Planck, scales and that a sufficiently advanced civilization might be able to enlarge them to classical size. The purpose of this paper is to explore the possibility that inflation might provide a natural mechanism for the enlargement of such wormholes to macroscopic size. A new classical metric is presented for a Lorentzian wormhole which is imbedded in a flat deSitter space. It is shown that the throat and proper length of the wormhole inflate. The resulting properties and stress-energy tensor associated with this metric are discussed.

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