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arxiv: 1511.06347 · v1 · pith:P3DDW6OUnew · submitted 2015-11-19 · ✦ hep-ph · astro-ph.CO

Axion Isocurvature and Magnetic Monopoles

classification ✦ hep-ph astro-ph.CO
keywords scaleaxionisocurvaturemagneticmonopolesallowsconsistentlyfluctuations
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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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