1306.4496 (Sayantan Choudhury et al.)

An accurate bound on tensor-to-scalar ratio and the scale of inflation    [PDF]

Sayantan Choudhury, Anupam Mazumdar

In this paper we provide an accurate bound on tensor-to-scalar ratio (r) for class of models where inflation always occurs below the Planck scale, and the field displacement during inflation remains sub-Planckian.

View original: http://arxiv.org/abs/1306.4496