Time-resolving attosecond phenomena in multi-electron ionization of atoms driven by single photon and strong fields

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• Agapi Emmanouilidou (UCL)
• Monday 07 June 2010, 15:30-17:00
• Rutherford building, Seminar Room B.

If you have a question about this talk, please contact pjh65.

The advent of attosecond technology and the generation of intense ultrashort laser pulses raises the possibility to investigate atomic, molecular, and nuclear physics at this new time-scale, bringing a revolution in our microscopic knowledge and understanding of matter. Two fascinating and complementary challenges of Attoscience are to identify the physical mechanisms underlying the correlated multi-electron dynamics—of fundamental interest to, for instance, molecular imaging—in atomic systems and to devise schemes to probe/control these mechanisms.

We discuss first the mechanisms underlying the correlated electron dynamics for two fundamental processes: a) non-sequential double ionization in strongly driven He b) multi-electron ionization by a sequence of attosecond collisions when a single photon is absorbed by multi-electron atoms. Currently, the state of the art is time-resolving multi-electron effects in processes where one electron leaves the atom. For the first time, we present the two-electron streak camera that allows for time-resolving electron-electron correlation of intra-atomic collision dynamics.

This talk is part of the AMOP list series.

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