Electron excitation from ground state to first excited state: Bohmian mechanics method
Song Yang1, Zhao Shuang2, Guo Fu-Ming2, †, 
, Yang Yu-Jun2, Li Su-Yu‡,
, Yang Yu-Jun2, Li Su-Yu‡, Time evolution of the population of ground state (black curve), first excited state (red curve), and other excited states (blue curve) under the action of the laser field shown in Fig.
