05-05-2017, 08:40 PM
(This post was last modified: 05-05-2017, 08:52 PM by stevebowers.)
Peter Kuhfittig came up with a solution that seems to allow wormholes with tolerably small amounts of exotic energy; there doesn't seem to be a similar solution for Krasnikov tubes, so they are probably too difficult to be practical.
(edit; the corrected figures are in this paper, which gives the dimensions we use in OA; https://arxiv.org/pdf/gr-qc/0508060.pdf )
(edit; the corrected figures are in this paper, which gives the dimensions we use in OA; https://arxiv.org/pdf/gr-qc/0508060.pdf )