Self-Maintained Coherent Oscillations in Dense Neutrino Gases
Alan Kostelecky, Stuart Samuel
Abstract
We present analytical solutions to the nonlinear equations describing the behavior of a gas of neutrinos with two flavors. Self-maintained coherent flavor oscillations are shown to occur when the gas density exceeds a critical value determined by the neutrino masses and the mean neutrino energy in the gas. Similar oscillations may have occurred in the early Universe.
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