arXiv:1511.06347·v1·High Energy Physics — Phenomenology
Axion Isocurvature and Magnetic Monopoles
Yasunori Nomura🇺🇸 · Surjeet Rajendran🇺🇸 · Fabio Sanches🇺🇸
Abstract
We propose a simple mechanism to suppress axion isocurvature fluctuations using hidden sector magnetic monopoles. This allows for the Peccei-Quinn scale to be of order the unification scale consistently with high scale inflation.
Comments: 13 pages