PREPRINT
CA925E58-ED1B-44E9-93D9-8C6942B37365

# Back-Reaction to Dilaton-Driven Inflation

A. Ghosh, R. Madden, G. Veneziano
arXiv:hep-th/9908024

Submitted on 3 August 1999

## Abstract

We compute the leading-order back-reaction to dilaton-driven inflation, due to graviton, dilaton and gauge-boson production. The one-loop effect turns out to be non-vanishing (unlike the case for pure de-Sitter and for power-law inflation), to be of relative order ${\ell }_{P}^{2}{H}^{2}\left(t\right)$, and to have the correct sign for favouring the exit to a FRW phase.

## Preprint

Comment: 27 pages, Latex, 7 figures

Subjects: High Energy Physics - Theory; Astrophysics; General Relativity and Quantum Cosmology