Hannover 2010 – wissenschaftliches Programm

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SYDC: Symposium Decoherence in the light of modern experiments

SYDC 2: Decoherence in the Light of Modern Experiments II

SYDC 2.1: Hauptvortrag

Dienstag, 9. März 2010, 16:30–17:00, E 415

Coherence and the loss of it in molecular photoionization — •Uwe Hergenhahn — Max-Planck-Institut für Plasmaphysik,EURATOM Association, 85748 Garching

A molecule, which is ionized by absorption of a single, energetic photon, can be seen as a complex source of outgoing photoelectron waves. Intramolecular electron scattering phenomena have been known in photoemission for a long time. More interesting questions arise in molecules containing several chemically equivalent sites, homonuclear diatomics being the simplest example. Here, rigourous application of quantum mechanics dictates to consider these sites as coherent emitters of photoelectron waves. I will give an overview about recent experiments which have probed this paradigm.

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