Fano's propensity rule in angle-resolved attosecond pump-probe photoionization
Atomic Physics
2019-10-02 v2
Abstract
In a seminal article, Fano predicts that absorption of light occurs preferably with increase of angular momentum. Here we generalize Fano's propensity rule to laser-assisted photoionization, consisting of absorption of an extreme-ultraviolet photon followed by absorption or emission of an infrared photon. The predicted asymmetry between absorption and emission leads to incomplete quantum interference in attosecond photoelectron interferometry. It explains both the angular-dependence of the photoionization time delays and the delay-dependence of the photoelectron angular distributions. Our theory is verified by experimental results in Ar in the 20-40 eV range.
Cite
@article{arxiv.1811.05341,
title = {Fano's propensity rule in angle-resolved attosecond pump-probe photoionization},
author = {David Busto and Jimmy Vinbladh and Shiyang Zhong and Marcus Isinger and Saikat Nandi and Sylvain Maclot and Per Johnsson and Mathieu Gisselbrecht and Anne L'Huillier and Eva Lindroth and Jan Marcus Dahlström},
journal= {arXiv preprint arXiv:1811.05341},
year = {2019}
}