Production and detection of relic dilatons in string cosmology

Details Production and detection of relic dilatons in string cosmology Production and detection of relic dilatons in string cosmology

2000-09-28

arxiv.org/abs/gr-qc/0009098v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

2 pages, Latex, summary of the contribution presented at the IX Marcel Grossmann Meeting (Rome, July 2000). To appear in the p

Scientific paper

This paper summarizes the contribution presented at the {\sl IX Marcel Grossmann Meeting} (Rome, July 2000). It is stressed, in particular, that a non-relativistic background of ultra-light dilatons, produced in the context of string cosmology, could represent today a significant fraction of cold dark matter. If the dilaton mass lies within the resonant band of present gravitational antennas, a stochastic dilaton background with a nearly critical density could be visible, in principle, already at the level of sensitivity of the detectors in operation and presently under construction.

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