String Gas Cosmology and Structure Formation

Details String Gas Cosmology and Structure Formation String Gas Cosmology and Structure Formation

2006-08-17

arxiv.org/abs/hep-th/0608121v1

Int.J.Mod.Phys.A22:3621-3642,2007

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, 3 figures

Scientific paper

10.1142/S0217751X07037159

It has recently been shown that a Hagedorn phase of string gas cosmology may provide a causal mechanism for generating a nearly scale-invariant spectrum of scalar metric fluctuations, without the need for an intervening period of de Sitter expansion. A distinctive signature of this structure formation scenario would be a slight blue tilt of the spectrum of gravitational waves. In this paper we give more details of the computations leading to these results.

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