Femtolensing and Picolensing by Axion Miniclusters

Details Femtolensing and Picolensing by Axion Miniclusters Femtolensing and Picolensing by Axion Miniclusters

1995-10-06

arxiv.org/abs/astro-ph/9510043v1

Astrophys.J. 460 (1996) L25-L28

Astronomy and Astrophysics

Astrophysics

7 pages plus 2 figures (Fig.1 avalible upon request), LaTeX

Scientific paper

10.1086/309962

Non-linear effects in the evolution of the axion field in the early Universe may lead to the formation of gravitationally bound clumps of axions, known as ``miniclusters.'' Minicluster masses and radii should be in the range $M_{\rm mc}\sim10^{-12} M_\odot$ and $R_{\rm mc} \sim 10^{10}$cm, and in plausible early-Universe scenarios a significant fraction of the mass density of the Universe may be in the form of axion miniclusters. If such axion miniclusters exist, they would have the physical properties required to be detected by ``femtolensing.''

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