Axion miniclusters

Details Axion miniclusters Axion miniclusters

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phlb..205..228h&link_type=abstract

Physics Letters B, Volume 205, Issue 2-3, p. 228-230.

Physics

52

Scientific paper

The formation of cold dark matter in the form of coherent axion fields is expected to produce large-amplitude (δϱ≅) isocurvature fluctuations in axion density. These are later the first fluctuations to collapse, forming tiny bound ``miniclusters'' of axions which cluster in a gravitational hierarchy until the standard inflationary fluctuations become non-linear. The existence of these miniclusters can have observable consequences for gravitational lensing, may have a role in seeding the collapse of the first stars, and could affect the signal observed in axion-detection experiments.

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