Schedule Aug 12, 2010
Photo Activated Coulomb Complexes
Jan Rost, MPI PKS & KITP

Intense light with frequencies well beyond the IR as provided by FELs couples many photons into extended targets such as clusters and biomolecules. Thereby, many electrons are photo activated, which means, removed from their mother atoms. I will discuss a simple model (see Ulf Saalmann's talk) for this photo activation to study electron migration and interaction. The Coulomb properties lead to scaling relations which help to relate quite different scenarios. To understand this type of multi-electron dynamics on short time scales may be vital for assessing and separating the different kinds of radiation damage (ionic and electronic) inflicted by that type of radiation.

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