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Angular harmonic dependence from a 3D-H2+ Molecular Ion

  • Autori: Castiglia, G.; Corso, P.; Daniele, R.; Fiordilino, E.; Morales, F.; Persico, F.
  • Anno di pubblicazione: 2012
  • Tipologia: Altro
  • OA Link:


The time-dependent Schroedinger equation of a H2+ molecular ion in the presence of a linearly polarized laser field is numerically solved by means of a split-operator parallel code. The electron, driven by the laser electric field, emits electromagnetic radiation whose HHG spectrum (shown in Figure 1) can be finely controlled by changing the angle between the laser electric field and the molecular axis. The numerical results confirm that the structure of the spectra strongly depends on this angle. In particular the correlation between the laser orientation (with respect to the molecular axis) and the intensity of various harmonic peaks are displayed in Figure 2.