Inflation in S-Dual Superstring Models

Details Inflation in S-Dual Superstring Models Inflation in S-Dual Superstring Models

1995-11-30

arxiv.org/abs/hep-ph/9511470v1

Phys.Lett. B373 (1996) 299-305

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages LaTeX, no figures

Scientific paper

10.1016/0370-2693(96)00148-7

We study inflationary potentials in the framework of superstring theories. Successful inflation may occur due to chiral fields, but only after the dilaton and moduli are stabilized. This is achieved by demanding an S-duality invariant potential. Then, it is possible to have inflation at any scale and even to have more than one stages of inflation. This occurs for a limited class of scalar potentials, where certain conditions are obeyed. Density fluctuations of $10^{-5}$ require the inflationary potential to be at a scale of $V^{1/4}\simeq 5 \times 10^{15}$ GeV.

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