Ultraviolet Sensitivity of Peccei-Quinn Inflation
High Energy Physics - Phenomenology
2023-10-02 v3 Cosmology and Nongalactic Astrophysics
High Energy Physics - Theory
Abstract
The radial direction of the Peccei--Quinn field can drive cosmic inflation, given a non-minimal coupling to gravity. This scenario has been considered to simultaneously explain inflation, the strong problem, and dark matter. We argue that Peccei--Quinn inflation is extremely sensitive to higher-dimensional operators. Further combining with the discussion on the axion quality required for solving the strong problem, we examine the validity of this scenario. We also show that after Peccei--Quinn inflation, resonant amplifications of the field fluctuation is inevitably triggered.
Keywords
Cite
@article{arxiv.2305.18524,
title = {Ultraviolet Sensitivity of Peccei-Quinn Inflation},
author = {Davide Dal Cin and Takeshi Kobayashi},
journal= {arXiv preprint arXiv:2305.18524},
year = {2023}
}
Comments
26 pages plus appendices, 9 figures. v2: New appendix C, refs added . v3: Match with published version