Energy- and angle-resolved spectral phases via semi-relativistic ab-initio RABBITT simulations

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Abstract

We simulate the so-called “Rainbow Reconstruction of Attosecond Beating By Interference of Two-photon Transitions” (Rainbow RABBITT) technique with R-Matrix with Time-dependence (RMT) theory for neutral argon. We compute the energy-resolved spectral phase induced by the autoionizing [Ne]3s3p64p 1P resonance with simulations incorporating semi-relativistic atomic descriptions. This allows us to isolate the j = 1/2 and j = 3/2 spin-orbit component contributions to the energy-resolved spectral phase, and compare these against experiment. We analyse changes to the spectral phase resolved in energy and emission angle induced by the autoionizing state.
Original languageEnglish
Article number023112
Number of pages7
JournalPhysical Review A (Atomic, Molecular, and Optical Physics)
Volume108
DOIs
Publication statusPublished - 08 Aug 2023

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