Pump-Probe Photoelectron Spectra
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Pump-probe photoelectron spectroscopy provides a tool to observe excitations taking place in electronic systems as they evolve in time. This technique is frequently applied to study complex phenomena taking place in chemistry and solid-state physics. To properly capture the dynamics observed in the experiments, one needs to employ non-perturbative theories capable to describe the complete time evolution of large physical systems. After a pedagogical survey on the literature, in this chapter, we focus on TDDFT and illustrate how this theory can be formulated in a way that can capture the entire ionization dynamics in atoms, molecules, and solids.
This work was partially supported by the European Research Council (ERC-2015-AdG-694097), Grupos Consolidados (IT578-13), and the European Union’s Horizon 2020 Research and Innovation Program under Grant Agreements no. 676580 (NOMAD) and 646259 (MOSTOPHOS).
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