Bounds on non-adiabatic evolution in single-field inflation

Article, Preprint English OPEN
Adshead, Peter ; Hu, Wayne (2014)
  • Publisher: AMER PHYSICAL SOC
  • Journal: PHYSICAL REVIEW D (issn: 1550-7998)
  • Related identifiers: doi: 10.1103/PhysRevD.89.083531
  • Subject: High Energy Physics - Theory | Astrophysics - Cosmology and Nongalactic Astrophysics
    arxiv: Astrophysics::Cosmology and Extragalactic Astrophysics

We examine the regime of validity of $N$-point spectra predictions of single field inflation models that invoke transient periods of non-adiabatic evolution. Such models generate oscillatory features in these spectra spanning frequencies up to the inverse time scale of ... View more
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