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Selective gating to vibrational modes through resonant X-ray scattering

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Author Couto Rafael C., Cruz Vinícius V., Ertan Emelie, Eckert Sebastian, Fondell Mattis, Dantz Marcus, Kennedy Brian, Schmitt Thorsten, Pietzsch Annette, Guimarães Freddy F., Ågren Hans, Gel’mukhanov Faris, Odelius Michael, Kimberg Victor, Föhlisch Alexander,
Project Coupled spin, charge and orbital dynamics of low-dimensional cuprates
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Original article (peer-reviewed)

Journal Nature Communications
Volume (Issue) 8
Page(s) 14165 - 14165
Title of proceedings Nature Communications
DOI 10.1038/ncomms14165

Open Access

URL https://www.nature.com/articles/ncomms14165
Type of Open Access Publisher (Gold Open Access)

Abstract

The dynamics of fragmentation and vibration of molecular systems with a large number of coupled degrees of freedom are key aspects for understanding chemical reactivity and properties. Here we present a resonant inelastic X-ray scattering (RIXS) study to show how it is possible to break down such a complex multidimensional problem into elementary components. Local multimode nuclear wave packets created by X-ray excitation to different core-excited potential energy surfaces (PESs) will act as spatial gates to selectively probe the particular ground-state vibrational modes and, hence, the PES along these modes. We demonstrate this principle by combining ultra-high resolution RIXS measurements for gas-phase water with state-of-the-art simulations.
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