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High-order above-threshold ionization of heteronuclear diatomic molecules by a strong laser field with arbitrary polarization |
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| Authors: | E Hasovi? D B Milo?evi? M Busulad?i? A Gazibegovi?-Busulad?i? W Becker |
| Institution: | 1. Faculty of Science, University of Sarajevo, Zmaja od Bosne 35, 71000, Sarajevo, Bosnia and Herzegovina 2. Max-Born-Institut, Max-Born-Str. 2a, 12489, Berlin, Germany 3. Academy of Sciences and Arts of Bosnia and Herzegovina, Bistrik 7, 71000, Sarajevo, Bosnia, and Herzegovina 4. Medical Faculty, University of Sarajevo, ?ekalu?a 90, 71000, Sarajevo, Bosnia and Herzegovina |
| Abstract: | The molecular strong-field approximation is applied to calculate angle-resolved photoelectron spectra in the process of high-order above-threshold ionization of carbon-monoxide molecules by an elliptically polarized laser field. The theory is formulated to include the Stark shift of the initial bound state of the valence electron. It is shown that the angle-resolved photoelectron spectra of aligned CO molecules exhibit pronounced minima which can be explained by destructive interference of two partial T-matrix contributions. The dependence of contributing partial amplitudes on the laser field ellipticity is analyzed in detail. |
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