Topical Review: Extracting molecular frame photoionization dynamics from experimental data
Abstract
Methods for experimental reconstruction of molecular frame (MF) photoionization dynamics, and related properties-specifically MF photoelectron angular distributions (PADs) and continuum density matrices-are outlined and discussed. General concepts are introduced for the non-expert reader, and experimental and theoretical techniques are further outlined in some depth. Particular focus is placed on a detailed example of numerical reconstruction techniques for matrix-element retrieval from time-domain experimental measurements making use of rotational-wavepackets (i.e. aligned frame measurements)-the 'bootstrapping to the MF' methodology-and a matrix-inversion technique for direct MF-PAD recovery. Ongoing resources for interested researchers are also introduced, including sample data, reconstruction codes (the Photoelectron Metrology Toolkit, written in python, and associated Quantum Metrology with Photoelectrons platform/ecosystem), and literature via online repositories; it is hoped these resources will be of ongoing use to the community.
- Publication:
-
Journal of Physics B Atomic Molecular Physics
- Pub Date:
- June 2023
- DOI:
- 10.1088/1361-6455/acd03e
- arXiv:
- arXiv:2209.04301
- Bibcode:
- 2023JPhB...56k2001H
- Keywords:
-
- photoelectron;
- molecular frame;
- alignment;
- photoelectron spectroscopy;
- photoelectron imaging;
- reconstruction;
- Physics - Chemical Physics;
- Quantum Physics
- E-Print:
- 65 pages, 17 figures. HTML version with interactive figures on Authorea: https://www.authorea.com/users/71114/articles/447808-extracting-molecular-frame-photoionization-dynamics-from-experimental-data Code and data archive on Figshare: http://dx.doi.org/10.6084/m9.figshare.20293782