Research Areas Accelerator Science Bio & Medical Physics Chemical Dynamics Condensed Matter Physics & Nanoscience Molecular Imaging Spectroscopy Strong Field Physics Theory Ultrafast Optics Research Groups Theory Atomically Resolved Dynamics Group R. J. Dwayne Miller time dependent ab initio methods for comparison to atomically resolved structural dynamics new methods of image/information retrieval CFEL-DESY Theory Group Robin Santra many-body theory and quantum electrodynamics molecular dynamics and Monte Carlo methods development and implementation of computational techniques CFEL-MPSD Theory Group Angel Rubio modeling non-equilibrium phenomena and new states of matter theoretical spectroscopy: time resolved spectroscopies time-dependent-functional theory and quantum-electrodynamics Computational Nanoscale Imaging Kartik Ayyer algorithm development to recover unknown degrees of freedom with sparse X-ray diffraction data machine learning for diffractive image classification from XFELs Computational Science Fangohr, Hans Software Engineering for Research Reproducibility High Performance Computing Theory of Pump-Probe Spectroscopy Group Michael Sentef ultrafast dynamics of condensed matter laser-driven superconductivity and ordered state dynamics light-induced Floquet states of matter Theory of ultrafast processes with X-ray light Nina Rohringer high-harmonic spectroscopy nonlinear spectroscopy with FEL's electronic structure at high X-ray intensity Theory of ultrafast light-matter interaction Daria Gorelova interaction of ultrashort light pulses with molecules and condensed matter imaging ultrafast processes with attosecond x-rays methods to follow exciton dynamics on (sub-)femtosecond time scale X-ray Irradiated Materials: Theory and Computation Beata Ziaja-Motyka large-scale and long-time computational studies of X-ray irradiated materials development of dedicated software tools