arXiv:1706.08522·v2·High Energy Physics — Phenomenology
Pure Natural Inflation
Yasunori Nomura🇺🇸 · Taizan Watari🇯🇵 · Masahito Yamazaki🇯🇵
Abstract
We point out that a simple inflationary model in which the axionic inflaton couples to a pure Yang-Mills theory may give the scalar spectral index (n_s) and tensor-to-scalar ratio (r) in complete agreement with the current observational data.
Comments: 4 pages, 3 figures, published version