activity
20232025
most citedAttosecond Coherent Electron Motion in a Photoionized Aromatic Molecule

3 citations · 7 across the 8 of their papers we have counts for

collaborators

10 papers

physics.optics2025

Nonlinear reversal of photo-excitation on the attosecond time scale improves ultrafast x-ray diffraction images

Anatoli Ulmer, Phay J. Ho, Bruno Langbehn +28

The advent of isolated and intense sub-femtosecond X-ray pulses enables tracking of quantummechanical motion of electrons in molecules and solids. The combination of X-ray spectros…

physics.chem-ph2025

Wavelength-Dependent Photodissociation of Iodomethylbutane

Valerija Music, Felix Allum, Ludger Inhester +37

Ultrashort XUV pulses of the Free-Electron-LASer in Hamburg (FLASH) were used to investigate laser-induced fragmentation patterns of the prototypical chiral molecule 1-iodo-2-methy…

physics.chem-ph2024★ 3 cited

Attosecond Coherent Electron Motion in a Photoionized Aromatic Molecule

Taran Driver, Zhaoheng Guo, Erik Isele +50

In molecular systems, the ultrafast motion of electrons initiates the process of chemical change. Tracking this electronic motion across molecules requires coupling attosecond time…

physics.optics2024★ 3 cited

Attosecond soft X-ray pulses generated by chirp-dispersed manipulation in an XFEL reveal nonlinear core-electron dynamics in neon

Lars Funke, Markus Ilchen, Svitozar Serkez +59

Free-electron lasers have demonstrated their capability of generating intense attosecond X-ray pulses, which are the key to studying electron dynamics at their natural time scale a…

physics.ins-det2024

Design and Performance of a Magnetic Bottle Electron Spectrometer for High-Energy Photoelectron Spectroscopy

Kurtis Borne, Jordan T ONeal, Jun Wang +19

We describe the design and performance of a magnetic bottle electron spectrometer~(MBES) for high-energy electron spectroscopy. Our design features a ~m long electron drif…

physics.acc-ph2024

"Beam `a la carte": laser heater shaping for attosecond pulses in a multiplexed x-ray free-electron laser

Siqi Li, Zhen Zhang, Shawn Alverson +19

Electron beam shaping allows the control of the temporal properties of x-ray free-electron laser pulses from femtosecond to attosecond timescales. Here we demonstrate the use of a…

physics.atom-ph2024

Attosecond Delays in X-ray Molecular Ionization

Taran Driver, Miles Mountney, Jun Wang +34

The photoelectric effect is not truly instantaneous, but exhibits attosecond delays that can reveal complex molecular dynamics. Sub-femtosecond duration light pulses provide the re…

physics.chem-ph2024

Attosecond X-ray Core-level Chronoscopy of Aromatic Molecules

Jia-Bao Ji, Zhaoheng Guo, Taran Driver +32

Attosecond photoemission or photoionization delays are a unique probe of the structure and the electronic dynamics of matter. However, spectral congestion and spatial delocalizatio…

physics.acc-ph2024★ 1 cited

Experimental Demonstration of Attosecond Pump-Probe Spectroscopy with an X-ray Free-Electron Laser

Zhaoheng Guo, Taran Driver, Sandra Beauvarlet +47

Pump-probe experiments with sub-femtosecond resolution are the key to understanding electronic dynamics in quantum systems. Here we demonstrate the generation and control of sub-fe…

physics.acc-ph2023

Efficient prediction of attosecond two-colour pulses from an X-ray free-electron laser with machine learning

Karim K. Alaa El-Din, Oliver G. Alexander, Leszek J. Frasinski +12

X-ray free-electron lasers are sources of coherent, high-intensity X-rays with numerous applications in ultra-fast measurements and dynamic structural imaging. Due to the stochasti…