Inflation in the scaling limit

descriptionPublicationkeyboard_double_arrow_right Article 15 Jul 1989 Italy English Publisher:American Physical Society (APS)Journal:Physical Review D, volume 40, pages 290-298 (issn: 0556-2821,

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Authors: MATARRESE, SABINO; ORTOLAN A.; LUCCHIN, FRANCESCO;

doi: 10.1103/physrevd.40.290

pmid: 10011818

handle: 11577/135456

Inflation in the scaling limit

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Abstract

We investigate the stochastic dynamics of the/ital inflaton/ for a wide class of potentials leading either tochaotic or to power-law inflation.At late times the system enters a /ital scaling/ /ital regime/where macroscopic order sets in: the field distribution sharply peaksaround the classical slow-rollover configuration and curvature perturbationsoriginate with a non-Gaussian scale-invariant statistics.

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Italy

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