SAMOP 2023 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 10: Collisions (joint session MO/Q)

MO 10.6: Vortrag

Mittwoch, 8. März 2023, 15:45–16:00, F142

Light controlled engineering of long-range molecular states — •Patrick Mischke, Jana Bender, Tanita Klas, Florian Binoth, Thomas Niederprüm, and Herwig Ott — Department of Physics and Research center OPTIMAS, RPTU Kaiserslautern-Landau

We experimentally engineer the deformation of the 5S-6P potential of Rubidium atoms at large interatomic distances on the order of several hundred Bohr radii. This deformation leads to a potential shape that supports bound molecular states.

To achieve this, we couple off-resonantly to an ultra-long range Rydberg molecule potential using strong laser driving. Properties that are commonly associated with Rydberg molecules, usually formed by an Rydberg atom and a ground state atom, are optically admixed to the 5S-6P pair state.

We spectroscopically observe the photoassociated 5S-6P molecules. The change in binding energy for different experimental coupling parameters is in qualitative agreement with a simple theoretical model.