Relic gravitons from non-singular string cosmologies

Details Relic gravitons from non-singular string cosmologies Relic gravitons from non-singular string cosmologies

2000-10-11

arxiv.org/abs/hep-th/0010085v1

Physics

High Energy Physics

High Energy Physics - Theory

Contribution to CAPP2000, Verbier (Switzerland),July 2000. To appear in the Proceedings (American Institute of Physics publica

Scientific paper

10.1063/1.1363572

In the context of the pre-Big Bang scenario of string cosmology, we propose a
modified equation for the evolution of the tensor perturbations, which includes
the full contribution of possible higher-order curvature and coupling
corrections required to regularise the background evolution. We then discuss
the high-frequency branch of the spectrum of primordial gravitons.

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