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arXiv · hep-th/0608121

String Gas Cosmology and Structure Formation

Robert H. Brandenberger·Ali Nayeri·Subodh P. Patil·Cumrun Vafa
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Abstract

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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Robert H. Brandenberger, Ali Nayeri, Subodh P. Patil, Cumrun Vafa. 2006-08-17. String Gas Cosmology and Structure Formation. https://doi.org/10.1142/s0217751x07037159

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