Achronal cosmic future

Details Achronal cosmic future Achronal cosmic future

2004-04-02

arxiv.org/abs/astro-ph/0404045v2

Phys.Rev.Lett. 93 (2004) 071301

Astronomy and Astrophysics

Astrophysics

5 pages, 3 figures, RevTex, a comment and one reference added to match the version accepted for publication in Physical Review

Scientific paper

10.1103/PhysRevLett.93.071301

The spherically symmetric accretion of dark and phantom energy onto Morris-Thorne wormholes is considered. It is obtained that the accretion of phantom energy leads to a gradual increase of the wormhole throat radius which eventually overtakes the super-accelerated expansion of the universe and becomes infinite at a time in the future before the occurrence of the big rip singularity. After that time, as it continues accreting phantom energy, the wormhole becomes an Einstein-Rosen bridge whose corresponding mass decreases rapidly and vanishes at the big rip.

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