Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2010-07-30
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
5 pages, latex, no figures, to appear in Phys. Rev. D
Scientific paper
We present a new analytical solution of the Einstein field equations
describing a wormhole shell of zero thickness joining two
Lema{\i}tre-Tolman-Bondi universes, with no radial accretion. The material on
the shell satisfies the energy conditions and, at late times, the shell becomes
comoving with the dust-dominated cosmic substratum.
Bochicchio Ivana
Faraoni Valerio
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