The resonant Auger effect

GB Armen, H Aksela, T Åberg… - Journal of Physics B …, 2000 - iopscience.iop.org
A brief survey of the resonant Raman Auger effect is presented. An outline of experimental
considerations and equipment is given. The theory of the resonant Auger effect is outlined …

Atomic, molecular and optical physics applications of longitudinally coherent and narrow bandwidth Free-Electron Lasers

C Callegari, AN Grum-Grzhimailo, KL Ishikawa… - Physics Reports, 2021 - Elsevier
Abstract Short wavelength Free-Electron Lasers (FELs) are among the newest light sources
available to scientists to probe a wide range of phenomena, with chemical, physical and …

Spectral phase measurement of a Fano resonance using tunable attosecond pulses

M Kotur, D Guenot, Á Jiménez-Galán, D Kroon… - Nature …, 2016 - nature.com
Electron dynamics induced by resonant absorption of light is of fundamental importance in
nature and has been the subject of countless studies in many scientific areas. Above the …

Multiconfigurational Hartree-Fock close-coupling ansatz: Application to the argon photoionization cross section and delays

T Carette, JM Dahlström, L Argenti, E Lindroth - Physical Review A—Atomic …, 2013 - APS
We present a robust, ab initio method for addressing atom-light interactions and apply it to
photoionization of argon. We use a close-coupling ansatz constructed on a …

[HTML][HTML] Deterministic relation between thermal-phonon dressings and a non-Hermitian multi-Fano interferences router in ion-doped microcrystals

H Fan, F Raza, A Mujahid, P Li, Y Wang, H Tang… - Chip, 2024 - Elsevier
The multi-Fano interference, which is obtained through the simultaneous acquisition of
bright and dark states in different phase transitions of Eu 3+: BiPO 4 (7: 1, 6: 1, 1: 1, and 0.5 …

Study of attosecond delays using perturbation diagrams and exterior complex scaling

JM Dahlström, E Lindroth - … of Physics B: Atomic, Molecular and …, 2014 - iopscience.iop.org
We describe in detail how attosecond delays in laser-assisted photoionization can be
computed using perturbation theory based on two-photon matrix elements. Special …

Single center method: A computational tool for ionization and electronic excitation studies of molecules

PV Demekhin, A Ehresmann… - The Journal of chemical …, 2011 - pubs.aip.org
We discuss the recent progress in the development of the single center (SC) method for
computation of highly-delocalized discrete and partial photoelectron wave continuous …

Propagation of a strong x-ray pulse: Pulse compression, stimulated Raman scattering, amplified spontaneous emission, lasing without inversion, and four-wave mixing

YP Sun, JC Liu, CK Wang, F Gel'mukhanov - Physical Review A—Atomic …, 2010 - APS
We study the compression of strong x-ray pulses from x-ray free-electron lasers (XFELs)
propagating through the resonant medium of atomic argon. The simulations are based on …

Multichannel single center method

NM Novikovskiy, AN Artemyev… - Journal of Physics B …, 2022 - iopscience.iop.org
A multichannel single center (MCSC) method for the theoretical description of the electron
continuum spectrum in molecules is reported. The method includes coupling between …

Differential measurement of electron ejection after two-photon two-electron excitation of helium

M Straub, T Ding, M Rebholz, GD Borisova, A Magunia… - Physical review …, 2022 - APS
We report the measurement of the photoelectron angular distribution of two-photon single-
ionization near the 2 p 2 D 1 e double-excitation resonance in helium, benchmarking the …