Density fluctuation in extended inflation

Details Density fluctuation in extended inflation Density fluctuation in extended inflation

1996-12-20

arxiv.org/abs/hep-ph/9612427v1

Phys.Rev. D56 (1997) 625-630

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, Latex, no figures

Scientific paper

10.1103/PhysRevD.56.625

We examine the calculation of density perturbation at large scales in the inflationary scenario. The formula for its magnitude is reviewed from first principles and applied to the original model of extended inflation. Our estimate is an order of magnitude bigger than the earlier ones due to the difference in the time at which the primordial fluctuation is evaluated and to the inclusion of terms neglected earlier in the standard formula for density perturbation.

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