http://arxiv.org/abs/1511.06347
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.
Y. Nomura, S. Rajendran and F. Sanches
Fri, 20 Nov 15
2/55
Comments: 13 pages