Topological Signature of the Universe from Discrete Cosmic Sources

Details Topological Signature of the Universe from Discrete Cosmic Sources Topological Signature of the Universe from Discrete Cosmic Sources

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002nmgm.meet.1933r&link_type=abstract

"THE NINTH MARCEL GROSSMANN MEETING On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and R

Physics

Scientific paper

If the universe has a nontrivial topology the sky may show multiple correlated images of cosmic objects. These correlations can be translated into distance correlations in pair separations histograms. We introduce a statistical quantity which reveals the topological signature of any Robertson-Walker universe with nontrivial topology. We also show, through computer-aided simulations, how one can extract the topological signature of a flat (k = 0) universe with nontrivial topology.

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