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The common origin of luminous and dark matter

✍ Scribed by C. Balázs


Book ID
108230911
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
637 KB
Volume
173
Category
Article
ISSN
0920-5632

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We discuss the possible sources of dark matter axions in the early universe. In the standard thermal scenario, an axion string network forms at the Peccei-Quinn phase transition T~fa and then radiatively decays into a cosmological background of axions; to be the dark matter, these axions must have a