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E. Hasović, D. Milošević, A. Gazibegović-Busuladžić, A. Čerkić, M. Busuladžić
5 18. 3. 2015.

Molecular above-threshold ionization spectra as an evidence of the three-point interference of electron wave packets

We consider high-order above-threshold ionization (HATI) of polyatomic molecules ionized by a strong linearly polarized laser field. Improved molecular strong-field approximation by which the HATI process on polyatomic molecular species can be described is developed. Using this theory we calculate photoelectron angular-energy spectra for different triatomic molecules. Special attention is devoted to the minima that are observed in the calculated high-energy electron spectra of the ozone and carbon dioxide molecules. A key difference between these minima and minima that are observed in the corresponding spectra of diatomic molecules are presented.


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