Bounds on non-adiabatic evolution in single-field inflation
- Publisher: AMER PHYSICAL SOC
PHYSICAL REVIEW D
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 ...