Dresden 2011 – wissenschaftliches Programm

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SYAP: Intersectional Symposium Attosecond Physics: Atoms, Molecules and Condensed Matter

SYAP 1: Attosecond Physics: Atoms, Molecules, Condensed Matter

SYAP 1.3: Hauptvortrag

Montag, 14. März 2011, 11:30–12:00, HSZ 01

Opportunities in Attosecond Science using Core Level Spectroscopy — •Anders Nilsson — SLAC National Accelerator Laboratory, Stanford University, USA

I will give an overview how core level spectroscopy can be used to probe ultrafast processes on surfaces and in the liquid phase. In the frequency domain, we observe electronic transfer and nuclear motions of hydrogen atoms in the decay spectra based on the concept of using the life time of the inner shell hole as an internal clock. This has been used to follow dissociation events in gas phase molecules, electron transfer processes of adsorbates on surfaces, in liquid water and ions in aqueous systems. There are new opportunities with x-ray free electron lasers, such as LCLS, where x-ray pulses into attosecond regime opening up for new class of studies that will be discussed.