Freiburg 2024 – scientific programme
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MO: Fachverband Molekülphysik
MO 17: Poster: Cold Molecules
MO 17.2: Poster
Wednesday, March 13, 2024, 17:00–19:00, Tent C
Collisions in a quantum gas of bosonic 23Na39K molecules — •Mara Meyer zum Alten Borgloh1, Jule Heier1, Philipp Gersema1, Kai Konrad Voges3, Charbel Karam2, Leon Karpa1, Olivier Dulieu2, and Silke Ospelkaus1 — 1Leibniz Universität Hannover, Institut für Quantenoptik — 2Université Paris-Saclay, CNRS, Laboratoire Aimé Cotton — 3Centre for Cold Matter, Blackett Laboratory, Imperial College London
We report on our experiments with quantum gases of polar 23Na39K molecules. We discuss both atom-molecule and molecule-molecule collisions including the origin of loss processes in a cloud of chemically stable molecules. Furthermore, we discuss a method for suppressing molecular loss using a coherent two-photon transition to induce a potential barrier that protects the colliding molecules from reaching the short range.
Keywords: Ultracold Molecules; Shielding; Molecular Collisions