SAMOP 2023 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 50: Quantum Gases: Fermions I

Q 50.6: Talk

Thursday, March 9, 2023, 12:15–12:30, F342

Report on an Erbium-Lithium machine — •Florian Kiesel and Alexandre De Martino — Eberhard Karls Universität Tübingen, Physikalisches Institut AG Groß, Auf der Morgenstelle 14, 72076 Tübingen

Ultracold Fermions cannot be cooled below about 10% of the Fermi temperature with conventional methods. Sympathetic cooling with a classical gas as an entropy reservoir may provide a new direction to overcome the current limit. Here we report on the construction and implementation of first cooling stages of a two species apparatus for the optimized symp. cooling of fermionic Li with bosonic Er. This mixture has several promising features, that have not yet been utilized for symp. cooling in any other mixture. Pushing the temperature limit is essential for the quantum simulation of strongly correlated phenomena, in particular in optical lattice.