Bell trajectories for revealing quantum control mechanisms

Bell's beable model of quantum mechanics which can be used to understand the dynamics of quantum systems driven by complicated optimal control fields was introduced. As such, beable trajectories were identified with simple physical processes effecting the controlled transfer of population from one state to another, and aggregations of beable trajectories may be used to compute the importance of different such processes in the dynamics. This paper shows how the control field sweeps trajectories into the high-order pathway by switching on and off bearable flow over specific transitions on a femtosecond time-scale.