Dark energy, wormholes, and the big rip

V. Faraoni and W. Israel
Phys. Rev. D 71, 064017 – Published 18 March 2005

Abstract

The time evolution of a wormhole in a Friedmann universe approaching the big rip is studied. The wormhole is modeled by a thin spherical shell accreting the superquintessence fluid—two different models are presented. Contrary to recent claims that the wormhole overtakes the expansion of the universe and engulfs it before the big rip is reached, it is found that the wormhole becomes asymptotically comoving with the cosmic fluid and the future evolution of the universe is fully causal.

  • Received 3 February 2005

DOI:https://doi.org/10.1103/PhysRevD.71.064017

©2005 American Physical Society

Authors & Affiliations

V. Faraoni1 and W. Israel2,3

  • 1Physics Department, Bishop’s University, Lennoxville, Quebec, Canada J1M 1Z7
  • 2Department of Physics and Astronomy, University of Victoria, P.O. Box 3055, Victoria, British Columbia, Canada V8W 3P6
  • 3Canadian Institute for Advanced Research Cosmology Program

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Issue

Vol. 71, Iss. 6 — 15 March 2005

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