Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2001-05-15
Int.J.Mod.Phys. D9 (2000) 687-696
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
11 pages, 3 figures, LaTeX2e. This paper is a direct ancestor of gr-qc/9911049, put in gr-qc archive to make it more accessibl
Scientific paper
10.1142/S021827180000075X
If the universe has a nontrivial shape (topology) the sky may show multiple correlated images of cosmic objects. These correlations can be couched in terms of distance correlations. We propose a statistical quantity which can be used to reveal the topological signature of any Robertson-Walker (RW) spacetime with nontrivial topology. We also show through computer-aided simulations how one can extract the topological signatures of flat, elliptic, and hyperbolic RW universes with nontrivial topology.
Gomero G. I.
Reboucas Marcelo J.
Teixeira A. F. F.
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