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Enhancement of vibrational excitation and dissociation of H+2 in infrared laser pulses
Picón Álvarez, Antonio (Universitat Autònoma de Barcelona. Departament de Física)
Jaron-Becker, A. (University of Colorado at Boulder)
Becker, A. (University of Colorado at Boulder)
American Physical Society

Data: 2012
Resum: We study vibrational excitations, dissociation, and ionization of Hþ2 in few-cycle laser pulses over a broad wavelength regime. Our results of numerical simulations supported by model calculations show a many orders-of-magnitude enhancement of vibrational excitation and dissociation (over ionization) of the molecular ion at infrared wavelengths. The enhancement occurs without any chirping of the pulse, which was previously applied to take account of the anharmonicity of the molecular vibrations. The effect is related to strong-field two- and higher-order photon transitions between different vibrational states.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; publishedVersion
Publicat a: Physical review letters, Vol. 109, Issue 16 (October 2012) , p. 163002, ISSN 0031-9007

DOI: 10.1103/PhysRevLett.109.163002

5 p, 499.9 KB

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