Axion Isocurvature and Magnetic Monopoles
High Energy Physics - Phenomenology
2016-04-13 v1 Cosmology and Nongalactic Astrophysics
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.
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Cite
@article{arxiv.1511.06347,
title = {Axion Isocurvature and Magnetic Monopoles},
author = {Yasunori Nomura and Surjeet Rajendran and Fabio Sanches},
journal= {arXiv preprint arXiv:1511.06347},
year = {2016}
}
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13 pages