Electron dynamics in intense laser fields with Bohmian trajectories

Program Description

The electron quantum dynamics of atomic hydrogen under intense laser fields is investigated by means of the De Broglie-Bohm framework of Bohmian mechanics. This method is used to explore the sub-cycle multiphoton ionization dynamics of the hydrogen atom, as well as the mechanism of the multiple plateau generation and the cutoff extension, as the characteristic features of high order harmonic generation spectrum. Electron multiple recollision dynamics under intense near-infrared laser fields is also investigated. In this case, the resulting patterns in the high-order harmonic generation and the above threshold ionization spectra are analyzed by comprehensive picture provided by the time evolution of individual Bohmian trajectories.