Wigner time delay in atomic photoionization

AS Kheifets - Journal of Physics B: Atomic, Molecular and Optical …, 2023 - iopscience.iop.org
For over a century since the Nobel prize winning work by Einstein (1905 Ann. Phys. 17 132),
atomic photoionization was thought to be an instantaneous process. Recent experimental …

Attosecond dynamics of multi-channel single photon ionization

J Peschel, D Busto, M Plach, M Bertolino… - Nature …, 2022 - nature.com
Photoionization of atoms and molecules is one of the fastest processes in nature. The
understanding of the ultrafast temporal dynamics of this process often requires the …

Attosecond circular-dichroism chronoscopy of electron vortices

M Han, JB Ji, T Balčiūnas, K Ueda, HJ Wörner - Nature Physics, 2023 - nature.com
Circular dichroism (CD) describes the different responses of a chiral object to circularly
polarized light of opposite handedness and serves as the basis of most chirality-sensitive …

Atomic partial wave meter by attosecond coincidence metrology

W Jiang, GSJ Armstrong, J Tong, Y Xu, Z Zuo… - Nature …, 2022 - nature.com
Attosecond chronoscopy is central to the understanding of ultrafast electron dynamics in
matter from gas to the condensed phase with attosecond temporal resolution. It has …

Probing and Steering Attosecond Electron Motion Using Tailored Ultrafast Laser Fields

X Gong, W Zhang, P Lu, H Ni, J Wu - The Journal of Physical …, 2024 - ACS Publications
An ultrafast intense laser field is one of the most important tools to observe and manipulate
electronic and nuclear dynamics with subcycle precision in highly nonlinear light–matter …

Influence of shape resonances on the angular dependence of molecular photoionization delays

F Holzmeier, J Joseph, JC Houver, M Lebech… - Nature …, 2021 - nature.com
Characterizing time delays in molecular photoionization as a function of the ejected electron
emission direction relative to the orientation of the molecule and the light polarization axis …

Fano's propensity rule in angle-resolved attosecond pump-probe photoionization

D Busto, J Vinbladh, S Zhong, M Isinger, S Nandi… - Physical review …, 2019 - APS
In a seminal article, Fano predicts that absorption of light occurs preferably with increase of
angular momentum. We generalize Fano's propensity rule to laser-assisted photoionization …

Anisotropic dynamics of two-photon ionization: An attosecond movie of photoemission

A Autuori, D Platzer, M Lejman, G Gallician… - Science …, 2022 - science.org
Imaging in real time the complete dynamics of a process as fundamental as photoemission
has long been out of reach because of the difficulty of combining attosecond temporal …

Separation of photoionization and measurement-induced delays

M Han, JB Ji, CS Leung, K Ueda, HJ Wörner - Science Advances, 2024 - science.org
Photoionization of matter is one of the fastest electronic processes in nature. Experimental
measurements of photoionization dynamics have become possible through attosecond …

Analysis of RABITT time delays using the stationary multiphoton molecular -matrix approach

J Benda, Z Mašín, JD Gorfinkiel - Physical Review A, 2022 - APS
We employ the recently developed multiphoton R-matrix method for molecular above-
threshold photoionization to obtain second-order ionization amplitudes that govern the …