Thomas Pfeifer How Can the Motion of Electrons Be Changed by Short Pulses of Laser Light?
© Maximilian Dörrbecker
Max Planck Society
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Max Planck Institute for Nuclear Physics
The Max-Planck-Institut für Kernphysik (MPIK) is one out of 83 institutes and research establishments of the Max-Planck-Gesellschaft zur Förderung der Wissenschaften (MPG) (Max Planck Society for the Advancement of Science). The MPG was founded in 1948 as successor to the Kaiser-Wilhelm-Gesellschaft (established in 1911) and is committed to basic research.
The MPIK has been founded in 1958 under the leadership of Wolfgang Gentner. Its precursor was the Institute for Physics at the MPI for Medical Research led by Walther Bothe from 1934 to 1957. The initial scientific goals were basic research in nuclear physics and the application of nuclear-physics methods to questions concerning in the physics and chemistry of the cosmos. Since 1966 the MPIK is led by a board of directors. Today, the activities concentrate on the two interdisciplinary research fields quantum dynamics and astroparticle physics. (Source)
THOMAS PFEIFER is interested in the origins of motion: how, on an atomic level, motion is coming into play and how this motion that is initially described by the laws of quantum mechanics then transfers into the classical motion we can see. For this, researchers employ a combination of spectroscopy and laser methods. The specific research question presented in this video investigates how a very fundamental system, such as an atom with just one or two electrons, interacts with an intense pulse of laser light on a very short time scale. Exposing the helium atom in their experiments to very short pulses of laser light, the researchers gained an understanding of the way how two, or more electrons – even in larger molecules – are moving and how they can control the motion of these electrons. This observation offers new opportunities to understand quantum motion, and eventually laser control chemical reactions.
LT Video Publication DOI: https://doi.org/10.21036/LTPUB10444
Lorentz Meets Fano in Spectral Line Shapes: A Universal Phase and its Laser Control
- Christian Ott, Andreas Kaldun, Philipp Raith, Kristina Meyer, Martin Laux, Jörg Evers, Christoph H. Keitel, Chris H. Greene and Thomas Pfeifer
- Published in 2013