Back-Reaction to Dilaton-Driven Inflation

Details Back-Reaction to Dilaton-Driven Inflation Back-Reaction to Dilaton-Driven Inflation

1999-08-03

arxiv.org/abs/hep-th/9908024v1

Nucl.Phys.B570:207-226,2000

Physics

High Energy Physics

High Energy Physics - Theory

27 pages, Latex, 7 figures

Scientific paper

10.1016/S0550-3213(99)00571-4

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 $\ell_P^2H^2(t)$, and to have the correct
sign for favouring the exit to a FRW phase.

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