Problems of Modern CosmologyNo Access

THE LOCAL SHAPE OF THE UNIVERSE IN THE INFLATIONARY LIMIT

B. MOTA

Centro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, 22290-180 Rio de Janeiro – RJ, Brazil

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M. J. REBOUÇAS

Centro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, 22290-180 Rio de Janeiro – RJ, Brazil

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R. TAVAKOL

Astronomy Unit, School of Mathematical Sciences, Queen Mary, University of London, Mile End Road, London E1 4NS, UK

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https://doi.org/10.1142/S0217751X05024705Cited by:8 (Source: Crossref)

Abstract

Recent high precision data by WMAP and SDSS have provided strong evidence to suggest that the universe is nearly flat. They are also making it possible to probe the topology of the universe. Motivated by these results, we have recently studied the consequences of taking the inflationary limit, i.e. |Ω₀ - 1| ≪ 0. We have shown that in this limit a generic detectable spherical or hyperbolic topology is locally indistinguishable from either or , irrespective of its global shape. Here we briefly present these results and further discuss their observational implications.

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