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A: Fachverband Atomphysik

A 18: Interaction with strong or short laser pulses II

A 18.5: Talk

Tuesday, March 18, 2014, 15:15–15:30, BEBEL E34

Multi-channel ionization dynamics of finite systems under intense Xray pulses — •Abraham Camacho Garibay, Ulf Saalmann, and Jan-Michael Rost — MPI-PKS

Xray free-electron lasers sources provide ultra-intense and ultra-short pulses, allowing the study entirely new regimes of light-matter interaction. In particular, a cluster or molecule can absorb many photons, creating a deep Coulombic potential, which depends on the instantaneous charge and instantaneous size of the (expanding) system. This potential modifies energies of photo- and Auger electrons in a characteristic manner. By means of the measurable electron spectra one may uncover the complex electron and ion dynamics in the cluster or molecule.