Axino as Cold Dark Matter Candidate

Details Axino as Cold Dark Matter Candidate Axino as Cold Dark Matter Candidate

2002-05-10

arxiv.org/abs/astro-ph/0205146v1

Astronomy and Astrophysics

Astrophysics

LaTeX file of 10 pages including 2 eps figures. Talk presented at DM-2002 Conference at Cape Town, South Africa, Feb. 4--9, 20

Scientific paper

The possibility of the CDM axino is presented. From the early days of supersymmetry, axino has been considered as hot dark matter and warm dark matter. But the CDM axino has been considered quite recently. It is because the low reheating temperature of the universe is gaining momentum recently from various considerations in particle cosmology. I present a general introduction on the CDM's, in particular the axino, the calculation on the axino density in the universe, and the constraints imposed on the axino parameters.

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