activity
20162022
most citedTunable Isolated Attosecond X-ray Pulses with Gigawatt Peak Power from a Free-Electron Laser

482 citations · 875 across the 10 of their papers we have counts for

collaborators

10 papers

physics.acc-ph2022★ 10 cited

Optimizing a Superconducting Radiofrequency Gun Using Deep Reinforcement Learning

David Meier, Luis Vera Ramirez, Jens Völker +3

Superconducting photoelectron injectors are a promising technique for generating high brilliant pulsed electron beams with high repetition rates and low emittances. Experiments suc…

physics.data-an2021★ 12 cited

Artificial intelligence for online characterization of ultrashort X-ray free-electron laser pulses

Kristina Dingel, Thorsten Otto, Lutz Marder +11

X-ray free-electron lasers (XFELs) as the world's brightest light sources provide ultrashort X-ray pulses with a duration typically in the order of femtoseconds. Recently, they hav…

physics.chem-ph2021★ 17 cited

Suppression of X-Ray-Induced Radiation Damage to Biomolecules in Aqueous Environments by Immediate Intermolecular Decay of Inner-Shell Vacancies

Andreas Hans, Philipp Schmidt, Catmarna Küstner-Wetekam +13

The predominant reason for the damaging power of high-energy radiation is multiple ionization of a molecule, either direct or via the decay of highly excited intermediates, as e.g.…

physics.chem-ph2021★ 97 cited

Attosecond Coherent Electron Motion in Auger-Meitner Decay

Siqi Li, Taran Driver, Philipp Rosenberger +38

In quantum systems, coherent superpositions of electronic states evolve on ultrafast timescales (few femtosecond to attosecond, 1 as = 0.001 fs = 10^{-18} s), leading to a time dep…

physics.chem-ph2020★ 32 cited

Site-specific Interrogation of an Ionic Chiral Fragment During Photolysis Using an X-ray Free-Electron Laser

Markus Ilchen, Philipp Schmidt, Nikolay M. Novikovskiy +24

Short-wavelength free-electron lasers with their ultrashort pulses at high intensities have originated new approaches for tracking molecular dynamics from the vista of specific sit…

physics.chem-ph2020★ 38 cited

Electronic Quantum Coherence in Glycine Molecules Probed with Ultrashort X-ray Pulses in Real Time

David Schwickert, Marco Ruberti, Přemys Kolorenč +25

Quantum coherence between electronic states of a photoionized molecule and the resulting process of ultrafast electron-hole migration have been put forward as a possible quantum me…

physics.chem-ph2019★ 56 cited

Attosecond Transient Absorption Spooktroscopy: a ghost imaging approach to ultrafast absorption spectroscopy

Taran Driver, Siqi Li, Elio G. Champenois +38

The recent demonstration of isolated attosecond pulses from an X-ray free-electron laser (XFEL) opens the possibility for probing ultrafast electron dynamics at X-ray wavelengths.…

physics.optics2019★ 482 cited

Tunable Isolated Attosecond X-ray Pulses with Gigawatt Peak Power from a Free-Electron Laser

Joseph Duris, Siqi Li, Taran Driver +31

The quantum mechanical motion of electrons in molecules and solids occurs on the sub-femtosecond timescale. Consequently, the study of ultrafast electronic phenomena requires the g…

physics.atm-clus2019★ 25 cited

Recovery of high-energy photoelectron circular dichroism through Fano interference

G. Hartmann, M. Ilchen, Ph. Schmidt +10

It is commonly accepted that the magnitude of a photoelectron circular dichroism (PECD) is governed by the ability of an outgoing photoelectron wave packet to probe the chiral asym…

physics.data-an2016★ 106 cited

Machine learning applied to single-shot x-ray diagnostics in an XFEL

A. Sanchez-Gonzalez, P. Micaelli, C. Olivier +39

X-ray free-electron lasers (XFELs) are the only sources currently able to produce bright few-fs pulses with tunable photon energies from 100 eV to more than 10 keV. Due to the stoc…