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Influence of molecular symmetry on strong-field ionization: Studies on ethylene, benzene, fluorobenzene, and chlorofluorobenzene | | Thomas K. Kjeldsen
; Christer Z. Bisgaard
; Lars Bojer Madsen
; Henrik Stapelfeldt
; | | Date: |
29 Sep 2004 | | Journal: | Phys. Rev. A 71, 013418 (2005) | | Subject: | Atomic Physics; Chemical Physics | physics.atom-ph physics.chem-ph | | Abstract: | Using the molecular strong-field approximation we consider the effects of molecular symmetry on the ionization of molecules by a strong, linearly polarized laser pulse. Electron angular distributions and total ionization yields are calculated as a function of the relative orientation between the molecule and the laser polarization. Our studies focus on ethylene (C$_2$H$_4$), benzene (C$_6$H$_6$), fluorobenzene (C$_6$H$_5$F), and ortho chlorofluorobenzene (1,2 C$_6$H$_4$ClF), the molecules representing four different point groups. The results are compared with experiments, when available, and with the molecular tunneling theory appropriately extended to non-linear polyatomic molecules. Our investigations show that the orientational dependence of ionization yields is primarily determined by the nodal surface structure of the molecular orbitals. | | Source: | arXiv, physics/0409150 | | Services: | Forum | Review | PDF | Favorites | |
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