http://arxiv.org/abs/2005.08252
We show that the Earth acts as a high-efficiency gravitational collector of low-velocity flow of dark matter (DM). The focal point appears on the Earth’s surface, when the DM flow speed is about 17 km s$^{-1}$ with respect to the geo-center. We discuss diurnal modulation of the local DM density influenced by the Earth’s gravity. We also touch upon similar effects on galactic and solar system objects.
Y. Sofue
Tue, 19 May 20
21/92
Comments: To appear in Galaxies: special issue on Debate on the Dark Matter; 8 pages, 7 figures
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