Meta-cold dark matter explained

Meta-cold dark matter, also known as mCDM, is a form of cold dark matter proposed to solve the cuspy halo problem. It consists of particles "that emerge relatively late in cosmic time (z ≲ 1000) and are born non-relativistic from the decaysof cold particles".[1]


  1. Dark Matter Halos with Cores from Hierarchical Structure Formation. 10.1103/PhysRevD.75.061303. 2007. Physical Review D. 75. 6. 061303. astro-ph/0606281. Strigari. Louis. Kaplinghat. Manoj. Bullock. James. 2007PhRvD..75f1303S .