13h10 Friday Jan 25 SPECIAL COLLOQUIUM in BA 6183


Speaker: Alessandro Pizzo (ETH Zurich)

Title: Multi-scale methods in atomic physics


Abstract:
The purpose of this lecture is to report progress in
understanding atomic physics when the electrons are
coupled to the quantized radiation field.

First, it will be shown that atomic groundstates persist.
Then I will sketch a simple argument,  based on a
multi-scale virial theorem, showing that excited bound
states of an atom turn into resonances.

I will conclude with a brief survey of other research interests.