2013/09/02 by Kuo Kan Liang, Liang, Kuo Kan, A. A. Villaeys +2
Chemistry · Materials Science · Physics and Astronomy · #Chemical Physics (physics.chem-ph) #FOS: Physical sciences #Nonlinear Optical Materials Research #Spectroscopy and Laser Applications #Spectroscopy and Quantum Chemical Studies #physics.chem-ph
paper · pdf · doi:10.48550/arxiv.1309.0432
36 pages, 11 figures. To be submitted. Replaced wrong source file in version 2
openalex publication_date 2013/09/02 · arxiv created 2013/09/03 · arxiv updated 2013/09/04 · openalex created_date 2022/09/29 · openalex updated_date 2026/07/28
In the present work, we give an analytical non-perturbative treatment of mode-mode coupling and anharmonicity occurring in molecular vibrational systems analyzed by 2D-infrared spectroscopy. This analytical description allows a detailed discussion of the intricate structure of the 2D-infrared spectra resulting from the contributions provided by the various possible chronological orderings of the interactions with fields due to overlaps of the pulses. The peculiar role of the vibrational overtones and other combination states on the resonance shapes is elucidated and conditions for a better quantitative analysis are discussed.