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Q: Fachverband Quantenoptik und Photonik
Q 47: Cold Molecules and Cold Chemistry (joint session MO/Q)
Q 47.7: Vortrag
Mittwoch, 12. März 2025, 16:15–16:30, HS XVI
High-flux cold lithium-6 and rubidium-87 atoms from compact two-dimensional magneto-optical trap — •Anwei Zhu1,2, Yunxuan Lu1,2, Xinyi Huang1,2, Chenhao Ni1,2, and Xinyu Luo1,3 — 1Max Planck Institute of Quantum Optics — 2Ludwig Maximilian University of Munich — 3Munich Center for Quantum Science and Technology
We report the development of a compact setup for producing Fermi gas of ultracold 6Li87Rb molecules, which integrates two 2D magneto-optical traps in series for each species with a short-distance lithium Zeeman slower. The Zeeman slower enhances the lithium flux by a factor of 50, achieving a high flux of 1 × 1010 atoms/s at a moderate oven temperature of 370 degrees. In addition, the rubidium flux reaches a value of 6 × 108 atoms/s. This advancement paves the way for the rapid production of double-degenerate lithium-rubidium atomic mixtures and large samples of ultracold ground-state fermionic lithium-rubidium molecules, providing a robust platform for investigating dipolar interaction and phase transition in ultracold regime.
Keywords: Quantum simulation; Ultracold molecules; Magneto-optical trap; Zeeman slower