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‡,
       

(a), (b), (c) and (a′), (b′), (c′) correspond to the three instants e, f, g shown in Fig. 7. They show the relationship between the energies and spatial positions of 2000 Bohmian particles.