Building up a "flat" wormhole by isometric embedding
Résumé
Wormholes have drawn the attention of science fiction writers, but do wormholes exist in the real world ?
It is a relevant question, but unfortunately, general relativity answers negatively. It is indeed admitted that
these entities are unstable and collapse instantly once they form. Significant efforts have been made these
last years to remedy this situation, especially by using various extensions of general relativity; however, the
results are not very convincing. Yet, a positive response could have important applications in the domain of
astrophysics, especially in the field of galaxies and stars. We invoke here some novel perspectives for studying
these elusive entities. In this situation a wormhole is seen as an entity with non-existing curvature, i.e. a
kind of ”flat” manifold
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