The Cosmic QCD Phase Transition, Quasi-baryonic Dark Matter and Massive Compact Halo Objects
Shibaji Banerjee, Abhijit Bhattacharyya, Sanjay K. Ghosh, Sibaji Raha, Bikash Sinha, Hiroshi Toki
Abstract
We propose that the cold dark matter (CDM) is composed entirely of quark matter, arising from a cosmic quark-hadron transition. We denote this phase as "quasibaryonic", distinct from the usual baryons. We show that compact gravitational lenses, with masses around 0.5 (M), could have evolved out of the quasibaryonic CDM.
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