"Classical behaviour after a phase transition" (2001) Lombardo, F.C.; Mazzitelli, F.D.; Rivers, R.J. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 523(3-4):317-322
10.1016/S0370-2693(01)01358-2
paper_03702693_v523_n3-4_p317_Lombardo