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astro-ph2005
The Inner Caustics of Cold Dark Matter Halos
Aravind Natarajan, Pierre Sikivie
We prove that a flow of cold collisionless particles from all directions in and out of a region necessarily forms a caustic. A corollary is that, in cold dark matter cosmology, gal…
astro-ph2005
Robustness of Discrete Flows and Caustics in Cold Dark Matter Cosmology
Aravind Natarajan, Pierre Sikivie
Although a simple argument implies that the distribution of dark matter in galactic halos is characterized by discrete flows and caustics, their presence is often ignored in discus…
astro-ph2005
Results of a Search for Cold Flows of Dark Matter Axions
L. Duffy, P. Sikivie, D. B. Tanner +7
Theoretical arguments predict that the distribution of cold dark matter in spiral galaxies has peaks in velocity space associated with non-thermalized flows of dark matter particle…