SAMOP 2023 – wissenschaftliches Programm

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SYCC: Symposium From Molecular Spectroscopy to Collision Control at the Quantum Limit

SYCC 1: From Molecular Spectroscopy to Collision Control at the Quantum Limit

SYCC 1.1: Hauptvortrag

Donnerstag, 9. März 2023, 11:00–11:30, E415

The unity of physics: the beauty and power of spectroscopy — •Paul Julienne — Joint Quantum Institute, NIST and the University of Maryland, College Park, Maryland, USA

Physics exhibits a deep unity across all its disciplines. This is nowhere so evident as in the power of spectroscopy, the highly specific frequency-dependent interaction of light with matter, to inform us about a wide range of phenomena. We rightly honor Professor Eberhard Tiemann for his beautiful applications of molecular spectroscopy to essential science needed for ultracold matter studies that have come to span many areas of physics. His work on molecular potentials has enabled highly predictive models to be developed for the interactions of many magnetically and optically controllable ultracold atoms. Precise knowledge of these interactions has been a key to the success of the multidisciplinary reach of experiments involving cold atoms and molecules. I will illustrate this for two cases related to ultracold chemistry: the production of cold ground state molecules and the understanding of product distributions in three-body recombination of cold atoms.