2005/06/16 by G. Panotopoulos, G Panotopoulos
Physics and Astronomy · #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Particle physics theoretical and experimental studies #hep-ph
paper · pdf · doi:10.1088/1475-7516/2005/08/005
published as JCAP 0508 (2005) 005 · 1+11 pages, version submitted to JCAP
arxiv created 2005/06/16 · openalex publication_date 2005/08/18 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30
We discuss dark matter in the brane world scenario. We work in the Randall–Sundrum type II brane world and assume that the lightest supersymmetric particle is the axino. We find that the axinos can play the role of cold dark matter in the universe, provided that the five-dimensional Planck mass is bounded both from below and from above. This is possible for higher reheating temperatures compared to the conventional four-dimensional cosmology due to a novel expansion law for the universe.