Landau-Zener problem in a three-level neutrino system with non-linear time dependence

P. Keränen, J. Maalampi, M. Myyryläinen +1

We consider the level-crossing problem in a three-level system with non-linearly time-varying Hamiltonian (time-dependence $t^{-3}$). We study the validity of the so-called indepen…