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 …
atomic photoionization was thought to be an instantaneous process. Recent experimental …
Attosecond light sources in the water window
As a compact and burgeoning alternative to synchrotron radiation and free-electron lasers,
high harmonic generation (HHG) has proven its superiority in static and time-resolved …
high harmonic generation (HHG) has proven its superiority in static and time-resolved …
Anisotropic photoemission time delays close to a Fano resonance
Electron correlation and multielectron effects are fundamental interactions that govern many
physical and chemical processes in atomic, molecular and solid state systems. The process …
physical and chemical processes in atomic, molecular and solid state systems. The process …
Coherent imaging of an attosecond electron wave packet
Electrons detached from atoms or molecules by photoionization carry information about the
quantum state from which they originate, as well as the continuum states into which they are …
quantum state from which they originate, as well as the continuum states into which they are …
Time delays from one-photon transitions in the continuum
Attosecond photoionization time delays reveal information about the potential energy
landscape that an outgoing electron wavepacket probes upon ionization. In this study, we …
landscape that an outgoing electron wavepacket probes upon ionization. In this study, we …
Fano's propensity rule in angle-resolved attosecond pump-probe photoionization
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 …
angular momentum. We generalize Fano's propensity rule to laser-assisted photoionization …
Separation of photoionization and measurement-induced delays
Photoionization of matter is one of the fastest electronic processes in nature. Experimental
measurements of photoionization dynamics have become possible through attosecond …
measurements of photoionization dynamics have become possible through attosecond …
Revealing the sub-barrier phase using a spatiotemporal interferometer with orthogonal two-color laser fields of comparable intensity
M Han, P Ge, Y Shao, MM Liu, Y Deng, C Wu… - Physical Review Letters, 2017 - APS
We measure photoelectron momentum distributions of Ar atoms in orthogonally polarized
two-color laser fields with comparable intensities. The synthesized laser field is used to …
two-color laser fields with comparable intensities. The synthesized laser field is used to …
Modulation of attosecond beating in resonant two-photon ionization
We present a theoretical study of the photoelectron attosecond beating due to interference of
two-photon transitions in the presence of autoionizing states. We show that, as a harmonic …
two-photon transitions in the presence of autoionizing states. We show that, as a harmonic …
Nonadiabatic electron dynamics in orthogonal two-color laser fields with comparable intensities
JW Geng, WH Xiong, XR Xiao, LY Peng, Q Gong - Physical Review Letters, 2015 - APS
We theoretically investigate the nonadiabatic subcycle electron dynamics in orthogonally
polarized two-color laser fields with comparable intensities. The photoelectron dynamics is …
polarized two-color laser fields with comparable intensities. The photoelectron dynamics is …