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Ultrafast Imaging of Photochemical Dynamics
Abstract:
With the invention of femtosecond x-ray free-electron lasers (XFELs), studies of light-induced chemical reaction dynamics and structural dynamics in the solid and liquid phase reach a new era, allowing for time-resolved x-ray diffraction and spectroscopy. To ultimately assess phase coherent electronic processes on their natural time and length scales, coherent nonlinear x-ray spectroscopy schemes have been proposed. In this contribution, we want to critically assess the experimental realization of nonlinear x-ray spectroscopy at current-day XFEL sources, by presenting first experimental attempts to demonstrate stimulated x-ray Raman scattering in molecular gas targets.
