Rotating traversable wormholes

Details Rotating traversable wormholes Rotating traversable wormholes

1998-03-31

arxiv.org/abs/gr-qc/9803098v2

Phys.Rev.D58:024014,1998

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages, harvmac; 1 figure in PicTeX; minor changes; to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.58.024014

The general form of a stationary, axially symmetric traversable wormhole is discussed. This provides an explicit class of rotating wormholes that generalize the static, spherically symmetric ones first considered by Morris and Thorne. In agreement with general analyses, it is verified that such a wormhole generically violates the null energy condition at the throat. However, for suitable model wormholes, there can be classes of geodesics falling through it which do not encounter any energy-condition-violating matter. The possible presence of an ergoregion surrounding the throat is also noted.

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