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Science@FELs 2014

15–17 Sept 2014
Paul Scherrer Institute
Europe/Zurich timezone

Session

Condensed Matter 2

15 Sept 2014, 16:20
WHGA/001 (Paul Scherrer Institute)

WHGA/001

Paul Scherrer Institute

5232 Villigen PSI

Presentation materials

  1. 97. Coherent control and electrical detection of charge excitations in hydrogenic silicon impurities with a Free Electron Laser
    Prof. Ben Murdin
    15/09/2014, 16:20
  2. 10. Terahertz spectroscopy of zero- and two-dimensional semiconductor nanostructures with the free-electron laser FELBE
    Dr Harald Schneider (Helmholtz-Zentrum Dresden-Rossendorf)
    15/09/2014, 16:55
    Condensed Matter
    Contributed Talk
    The free-electron laser facility FELBE in Dresden, a unique source of intense, quasi-cw, nearly transform-limited ps pulses in the mid-infrared and terahertz (THz) regimes, provides unique research opportunities. In high-quality semiconductor quantum wells, we investigate the dynamics of excitons, i.e. two-dimensional, hydrogen-like electron-hole quasi-atoms. Tuning FELBE in resonance with the...
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  3. 64. TIME-RESOLVED PHOTOELECTRON SPECTROSCOPY USING HIGH-REPETITION RATE FREE-ELECTRON LASERS
    Prof. Wilfried Wurth (Universität Hamburg/DESY)
    15/09/2014, 17:20
    Condensed Matter
    Contributed Talk
    Free electron lasers (FEL) are unique X-ray sources regarding pulse duration, coherence properties and peak brilliance. Their potential to study ultrafast dynamics has been demonstrated in time-resolved x-ray spectroscopy experiments. Time-resolved photoelectron spectroscopy (TR-PES) is a very valuable tool to study non-equilibrium electron dynamics of condensed matter systems. However, due...
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  4. 8. A time-dependent order parameter for photo-induced ultrafast phase transitions
    Dr Paul Beaud (Paul Scherrer Institut)
    15/09/2014, 17:45
    Condensed Matter
    Contributed Talk
    The exploration of the subtle interaction of structural and electronic degrees of freedom in strongly correlated electron systems on the femtosecond time scale is an emerging area of research. One goal of these studies is to advance our understanding of the underlying correlations, another is to find ways to control on an ultrafast time scale the technological relevant properties of these...
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