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Updated: Feb 17, 2026

An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers
Published on: October 23, 2018
Time delay in XUV/IR photoionization of H2O
Vladislav V Serov1, Anatoli S Kheifets2
1Department of Theoretical Physics, Saratov State University, 83 Astrakhanskaya, Saratov 410012, Russia.
Abstract:
We solve the time-dependent Schrödinger equation describing a water molecule driven by a superposition of the extreme ultraviolet and IR pulses typical for a reconstruction of attosecond beating by interference of two-photon transitions experiment. This solution is obtained by a combination of the time-dependent coordinate scaling and the density functional theory with self-interaction correction. Results of this solution are used to determine the time delay in photoionization of the water and hydrogen molecules.
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