Formation of structure in an axion-dominated universe

Michael S. Turner, Frank Wilczek, A. Zee

Research output: Contribution to journalArticlepeer-review

72 Scopus citations


We consider the formation of structure in a Universe dominated by axions of mass ≈10-5eV(f{hook}a≈1012GeV). Because of their high phase space density and very low temperature, it is not difficult for axions to find their way into galactic haloes. With a suitable initial spectrum of density fluctuations, the present observed structure of the universe could have evolved. However, the Zel'dovich spectrum, which is predicted by some inflationary universe scenarios, is difficult to accommodate.

Original languageEnglish (US)
Pages (from-to)35-40
Number of pages6
JournalPhysics Letters B
Issue number1
StatePublished - May 19 1983
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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