New inflationary probes of axion dark matter

New inflationary probes of axion dark matter

Abstract If a light axion is present during inflation and becomes part of dark matter afterwards, its quantum fluctuations contribute to dark matter isocurvature. In this article, we introduce a whole new suite of cosmological observables for axion isocurvature, which could help test the presence of...

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Bibliographic Details
Main Authors:	Xingang Chen, JiJi Fan, Lingfeng Li
Format:	Article
Language:	English
Published:	SpringerOpen 2023-12-01
Series:	Journal of High Energy Physics
Subjects:	Axions and ALPs Cosmology of Theories BSM Early Universe Particle Physics
Online Access:	https://doi.org/10.1007/JHEP12(2023)197

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