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arXiv · 2405.12603

Probing Wigner time delays with photoelectron interferometry: Anisotropic long-range imprint of the short-range centrifugal potential

Morgan Berkane·Camille Lévêque·Richard Taïeb·Jérémie Caillat·Jonathan Dubois
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Abstract

We consider the two-photon ionization of Hydrogen-like atoms. We find an approximate expression of the long-range phase based on an asymptotic expansion of the continuum eigenfunctions within the Wentzel-Kramers-Brillouin approximation. Combined with commonly used perturbative approaches, the resulting analytic formalism can treat, at the same time, the two-photon propensity rules, the anisotropy in the continuum-continuum photoionization time delay and the soft-photon regime.

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Morgan Berkane, Camille Lévêque, Richard Taïeb, Jérémie Caillat, Jonathan Dubois. 2024-05-21. Probing Wigner time delays with photoelectron interferometry: Anisotropic long-range imprint of the short-range centrifugal potential. https://arxiv.org/abs/2405.12603

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