Physical origin of "chaoticity" of neutrino asymmetry
arXiv:hep-ph/9911366 · doi:10.1016/S0370-2693(00)00203-3
Abstract
We consider the indeterminacy in the sign of the neutrino asymmetry generated by active-sterile neutrino oscillations in the early universe. The dynamics of asymmetry growth is discussed in detail and the indeterminacy in the final sign of the asymmetry is shown to be a real physical phenomenon. Recently published contradicting results are carefully considered and the underlying assumptions leading to the disagreement are resolved.
12 pages, Latex, 4 eps figures, uses cite.sty