6533b838fe1ef96bd12a482d

RESEARCH PRODUCT

On the tensor-to-scalar ratio in large single-field inflation models

Gabriela BarenboimWan-il Park

subject

General Relativity and Quantum CosmologyHigh Energy Physics - PhenomenologyCosmology and Nongalactic Astrophysics (astro-ph.CO)High Energy Physics - Phenomenology (hep-ph)FOS: Physical sciencesAstrophysics - Cosmology and Nongalactic Astrophysics

description

We show that generically the tensor-to-scalar ratio in large single-field inflation scenarios is bounded to be larger than $\mathcal{O}(10^{-3})$ for the spectral index in the range favored by observations.

http://arxiv.org/abs/1509.07132