Related Experiment Video
Updated: Aug 11, 2026

An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers
Published on: October 23, 2018
Ab initio calculation of the double ionization of helium in a few-cycle laser pulse beyond the one-dimensional
Camilo Ruiz1, Luis Plaja, Luis Roso
1Departamento de Física Aplicada, Universidad de Salamanca, E-37008 Salamanca, Spain.
Abstract:
We present ab initio computations of the ionization of two-electron atoms by short pulses of intense linearly polarized Ti:sapphire laser radiation beyond the one-dimensional approximation. In the model the electron correlation is included in its full dimensionality, while the center-of-mass motion is restricted along the polarization axis. Our results exhibit a rich double ionization quantum dynamics in the direction transversal to the field polarization, which is neglected in the previous models based on the one-dimensional approximation.
Related Concept Videos
Ionization Energy
The Born-Haber Cycle
Chemical Ionization (CI) Mass Spectrometry
The de Broglie Wavelength
The Bohr Model
Calculation of First-Law Quantities II

