Observable (?) cosmological signatures of superstrings in pre-big bang models of inflation

Details Observable (?) cosmological signatures of superstrings in pre-big bang models of inflation Observable (?) cosmological signatures of superstrings in pre-big bang models of inflation

2005-11-03

arxiv.org/abs/hep-th/0511039v3

Phys.Lett. B633 (2006) 155-160

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, latex, 1 figure included using epsfig; added more details on the low energy dynamics of the internal moduli fields,

Scientific paper

10.1016/j.physletb.2005.12.001

The different couplings of the dilaton to the U(1) gauge field of heterotic and Type I superstrings may leave an imprint on the relics of the very early cosmological evolution. Working in the context of the pre-big bang scenario, we discuss the possibility of discriminating between the two models through cross-correlated observations of cosmic magnetic fields and primordial gravitational-wave backgrounds.

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