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Bonn 2025 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 27: Poster – Ultra-cold Atoms, Ions and BEC (joint session A/Q)

Q 27.13: Poster

Dienstag, 11. März 2025, 14:00–16:00, Tent

A strontium quantum-gas microscope for Bose and Fermi Hubbard systemsCarlos Gas1, •Sandra Buob1, Jonatan Höshele1, Antonio Rubio-Abadal1, and Leticia Tarruell1,21ICFO - Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, 08860 Castelldefels (Barcelona), Spain — 2ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain

The combination of quantum-gas microscopy with alkaline-earth atoms offers many exciting prospects for quantum simulation of Hubbard models.

In this contribution, we present the latest results on quantum-gas microscopy from the Strontium Lab at ICFO. In a first set of experiments, we worked with the bosonic isotope 84Sr. We routinely prepared Bose-Einstein condensates of 84Sr, load them in a square optical lattice and realized the Bose-Hubbard model. In recent experiments, we have extended our microscope setup to work with fermionic 87Sr. This opens the door to studies of exotic quantum magnetism with N > 2, which could be characterized through site-resolved spin-sensitive detection.

Keywords: Quantum-gas microscopy; Strontium; Optical lattices; Fermi-Hubbard; Bose-Hubbard

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