Excitons and carriers in transient absorption and time-resolved ARPES spectroscopy: an abinitio approach
D. Sangalli
Abstract:I present a fully ab-initio scheme to model transient spectroscopy signals in presence of strongly bound excitons. Using LiF as a prototype material, I show that the scheme is able to capture the exciton signature both in time-resolved ARPES and transient absorption experiments. The approach is completely general, and can become the reference scheme for modelling pump and probe experiment in a wide range of materials.
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