Pre-Big-Bang in String Cosmology

Details Pre-Big-Bang in String Cosmology Pre-Big-Bang in String Cosmology

1992-11-04

arxiv.org/abs/hep-th/9211021v1

Astropart.Phys.1:317-339,1993

Physics

High Energy Physics

High Energy Physics - Theory

36 pages (plus 1 table and 3 figures ava. upon request), CERN-TH.6572

Scientific paper

10.1016/0927-6505(93)90017-8

The duality-type symmetries of string cosmology naturally lead to a pre-big-bang phase of accelerated evolution as dual counterpart of the decelerated expansion of standard cosmology. We discuss several properties of this scenario, including the possibility that tracks of the pre-big-bang may be found either in the spectrum of relic gravitons or in the distortion they induce on the cosmic microwave background.

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