Baryon asymmetry resulting from a quantum phase transition in the early universe V. R. Shaginyan, G. S. Japaridze, M. Ya. Amusia, A. Z. Msezane and K. G. Popov EPL, 94 6 (2011) 69001 Published online: 20 May 2011 DOI: 10.1209/0295-5075/94/69001