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Post-inflationary axion isocurvature perturbations facing CMB and large-scale structure

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Dark matter comprised of axion-like particles (ALPs) generated by the realignment mechanism in the post-inflationary scenario leads to primordial isocurvature fluctuations. The power spectrum of these fluctuations is flat for small wave numbers, extending to scales accessible with cosmological surve...

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Main Authors: Feix, Martin (Author) , Hagstotz, Steffen (Author) , Pargner, Andreas (Author) , Reischke, Robert (Author) , Schäfer, Björn Malte (Author) , Schwetz-Mangold, Thomas (Author)
Format: Article (Journal) Chapter/Article
Language:English
Published: 2020
In: Arxiv

Online Access:Verlag, lizenzpflichtig, Volltext: http://arxiv.org/abs/2004.02926
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Author Notes:M. Feix, S. Hagstotz, A. Pargner, R. Reischke, B.M. Schäfer, T. Schwetz
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Post-inflationary axion isocurvature perturbations facing CMB and large-scale structure by Feix, Martin (Author) , Hagstotz, Steffen (Author) , Pargner, Andreas (Author) , Reischke, Robert (Author) , Schäfer, Björn Malte (Author) , Schwetz-Mangold, Thomas (Author) ,


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