2 3 D ec 2 01 8 Adiabatic passage through chaos

We study the process of nonlinear stimulated Raman adiabatic passage within a classical meanfield framework. Depending on the sign of interaction, the breakdown of adiabaticity in the interacting non-integrable system, is not related to bifurcations in the energy landscape, but rather to the emergence of quasi-stochastic motion that drains the followed quasi-stationary state. Consequently, faster sweep rate, rather than quasi-static variation of parameters, is better for adiabaticity.