Static and dynamic traversable wormhole geometries satisfying the Ford-Roman constraints

Details Static and dynamic traversable wormhole geometries satisfying the Ford-Roman constraints Static and dynamic traversable wormhole geometries satisfying the Ford-Roman constraints

2004-01-07

arxiv.org/abs/gr-qc/0401023v2

Phys.Rev. D66 (2002) 024015

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

16 pages AMSTeX

Scientific paper

10.1103/PhysRevD.66.024015

It was shown by Ford and Roman in 1996 that quantum field theory severely constrains wormhole geometries on a macroscopic scale. The first part of this paper discusses a wide class of wormhole solutions that meet these constraints. The type of shape function used is essentially generic. The constraints are then discussed in conjunction with various redshift functions. Violations of the weak energy condition and traversability criteria are also considered. The second part of the paper analyzes analogous time-dependent (dynamic) wormholes with the aid of differential forms. It is shown that a violation of the weak energy condition is not likely to be avoidable even temporarily.

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