Traversable wormholes without exotic matter in multimetric repulsive gravity

Manuel Hohmann
Phys. Rev. D 89, 087503 – Published 9 April 2014

Abstract

We present a static, spherically symmetric, traversable wormhole solution to multimetric gravity which is sustained by only nonexotic matter, i.e., matter which satisfies all energy conditions. The possibility of this solution arises from the fact that under certain conditions the multimetric gravitational field equations reduce to the Einstein equations, but with a negative effective gravitational constant. We show that the Arnowitt-Deser-Misner mass of this wormhole vanishes, so that it appears massless to observers in the asymptotically flat spacetime. We finally speculate on the feasibility of creating and maintaining this type of wormhole by an advanced civilization.

  • Figure
  • Received 23 December 2013

DOI:https://doi.org/10.1103/PhysRevD.89.087503

© 2014 American Physical Society

Authors & Affiliations

Manuel Hohmann*

  • Teoreetilise Füüsika Labor, Füüsika Instituut, Tartu Ülikool, Riia 142, 51014 Tartu, Estonia

  • *manuel.hohmann@ut.ee

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Issue

Vol. 89, Iss. 8 — 15 April 2014

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