400 citations · 2.7k across the 100 of their papers we have counts for
11 papers · 1 filter
Suppression of Penning ionization by orbital angular momentum conservation
Katrin Dulitz, Tobias Sixt, Jiwen Guan +3
The efficient suppression of Penning-ionizing collisions is a stringent requirement to achieve quantum degeneracy in metastable rare gases. Thus far, such loss processes have been…
Optical Quenching of Metastable Helium Atoms using Excitation to the State
Jiwen Guan, Vivien Behrendt, Pinrui Shen +5
Discharge and electron-impact excitation lead to the production of metastable helium atoms in two metastable states, 2S and 2S. However, many applications require p…
Tracking Attosecond Electronic Coherences Using Phase-Manipulated Extreme Ultraviolet Pulses
Andreas Wituschek, Lukas Bruder, Enrico Allaria +31
The recent development of ultrafast extreme ultraviolet (XUV) coherent light sources bears great potential for a better understanding of the structure and dynamics of matter. Promi…
Ultrafast relaxation of photoexcited superfluid He nanodroplets
M. Mudrich, A. LaForge, F. Stienkemeier +21
The relaxation of photoexcited nanosystems is a fundamental process of light-matter interaction. Depending on the couplings of the internal degrees of freedom, relaxation can be ul…
Coherent multidimensional spectroscopy in the gas phase
Lukas Bruder, Ulrich Bangert, Marcel Binz +2
Recent work applying multidimentional coherent electronic spectroscopy at dilute samples in the gas phase is reviewed. The development of refined phase-cycling approaches with impr…
Deep neural networks for classifying complex features in diffraction images
Julian Zimmermann, Bruno Langbehn, Riccardo Cucini +13
Intense short-wavelength pulses from free-electron lasers and high-harmonic-generation sources enable diffractive imaging of individual nano-sized objects with a single x-ray laser…