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 …
In Situ Generation of High-Energy Spin-Polarized Electrons in a Beam-Driven Plasma Wakefield Accelerator
In situ generation of a high-energy, high-current, spin-polarized electron beam is an
outstanding scientific challenge to the development of plasma-based accelerators for high …
outstanding scientific challenge to the development of plasma-based accelerators for high …
Unified time and frequency picture of ultrafast atomic excitation in strong laser fields
H Zimmermann, S Patchkovskii, M Ivanov… - Physical review letters, 2017 - APS
Excitation and ionization in strong laser fields lies at the heart of such diverse research
directions as high-harmonic generation and spectroscopy, laser-induced diffraction imaging …
directions as high-harmonic generation and spectroscopy, laser-induced diffraction imaging …
Extracting photoelectron spectra from the time-dependent wave function. II. Validation of two methods: Projection on plane waves and time-dependent surface flux
Extraction of the photoelectron spectrum (PES) from the time-dependent wave-packet
calculations is a fundamental requirement for studying strong-field ionization. To analyze the …
calculations is a fundamental requirement for studying strong-field ionization. To analyze the …
Observation of Rabi dynamics with a short-wavelength free-electron laser
Rabi oscillations are periodic modulations of populations in two-level systems interacting
with a time-varying field. They are ubiquitous in physics with applications in different areas …
with a time-varying field. They are ubiquitous in physics with applications in different areas …
Qprop with faster calculation of photoelectron spectra
The calculation of accurate photoelectron spectra (PES) for strong-field laser-atom
experiments is a demanding computational task, even in single-active-electron …
experiments is a demanding computational task, even in single-active-electron …
Imprinting chirality on atoms using synthetic chiral light fields
Atoms are usually thought of as achiral objects. However, one can construct superpositions
of atomic states that are chiral. Here, we show how to excite such superpositions with …
of atomic states that are chiral. Here, we show how to excite such superpositions with …
RABBITT phase transition across the ionization threshold
AS Kheifets, AW Bray - Physical Review A, 2021 - APS
Rich physics emerges as the result of interplay between discrete and continuous quantum
states. A process of reconstruction of attosecond beating by interference of two-photon …
states. A process of reconstruction of attosecond beating by interference of two-photon …
Keldysh-Rutherford model for the attoclock
We demonstrate a clear similarity between attoclock offset angles and Rutherford scattering
angles taking the Keldysh tunneling width as the impact parameter and the vector potential …
angles taking the Keldysh tunneling width as the impact parameter and the vector potential …
Simulation of angular-resolved RABBITT measurements in noble-gas atoms
AW Bray, F Naseem, AS Kheifets - Physical Review A, 2018 - APS
We simulate angular-resolved RABBITT (reconstruction of attosecond beating by
interference of two-photon transitions) measurements on valence shells of noble-gas atoms …
interference of two-photon transitions) measurements on valence shells of noble-gas atoms …