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Ultrafast infrared spectroscopy with single molecular ions

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We propose a method to investigate the vibrational dynamics of a single polyatomic molecular ion that is co-trapped with an atomic ion. Quantum logic techniques will be used to detect… Click to show full abstract

We propose a method to investigate the vibrational dynamics of a single polyatomic molecular ion that is co-trapped with an atomic ion. Quantum logic techniques will be used to detect the recoil of a single photon absorption event in the molecule on the atomic ion. This single-molecule recoil spectroscopy can be extended to a pump-probe scheme to investigate ultrafast molecular dynamics. In particular, intra-molecular vibrational dynamics of a single molecular ions can be tracked. We analyze the experimental requirements to investigate the vibrational dynamics in the Cyanoacetylene cation C3HN+

Keywords: ultrafast infrared; infrared spectroscopy; molecular ions; single molecular; vibrational dynamics; spectroscopy

Journal Title: New Journal of Physics
Year Published: 2019

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