Laser-induced enhancement of tunneling in NHD2
We apply and explore techniques aiming at enhancing the tunneling by laser fields, originally developed for a one-dimensional model, to a complete six-dimensional vibrational model of the inversion motion in NHD2. The computational study is performed with the multi-configuration time-dependent Hartr...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2012
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| In: |
The journal of chemical physics
Year: 2012, Jahrgang: 136, Heft: 19 |
| ISSN: | 1089-7690 |
| DOI: | 10.1063/1.4718591 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1063/1.4718591 Verlag, Volltext: https://aip.scitation.org/doi/10.1063/1.4718591 
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| Verfasserangaben: | Matthieu Sala, Stéphane Guérin, Fabien Gatti, Roberto Marquardt, and Hans-Dieter Meyer |
MARC
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| 520 | |a We apply and explore techniques aiming at enhancing the tunneling by laser fields, originally developed for a one-dimensional model, to a complete six-dimensional vibrational model of the inversion motion in NHD2. The computational study is performed with the multi-configuration time-dependent Hartree method. Assuming an ideal three-dimensional alignment we obtain a driven tunneling time twenty times smaller than the natural one, in rather good agreement with an oversimplified three-state model. In the case of one-dimensional alignment, a linearly polarized field leads to a poor enhancement of the tunneling probability, after averaging over the rotation about the alignment axis, whereas a circularly polarized field improves the rotationally averaged tunneling probability at the end of the pulse. | ||
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