Berlin 2012 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 1: Tutorial: Attosecond Electron Dynamics

HL 1.1: Tutorium

Sunday, March 25, 2012, 16:00–16:35, EW 201

Time delays in ionization: real, imaginary, and imagined — •Misha Ivanov — Department of Physics, Imperial College London, South Kensington Campus, London, UK

I will review recent work on trying to understand how much time does it take to liberate an electron from an atom or a molecule. I will focus on two ionization regimes: one-photon and tunneling, and on different ways to address this question both technically and conceptually. In particular, I will show how our attempts to tag an electron as it becomes free after tunneling have led to a better understanding of attosecond core rearrangement during tunneling.