Mainz 2026 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 83: Ultra-cold Atoms, Ions and BEC VI (joint session A/Q)

Q 83.5: Talk

Friday, March 6, 2026, 15:30–15:45, N 1

Simulating the Fermi Hubbard model with a quantum gas microscope — •Luca Muscarella^{1, 2}, Andreas von Haaren^{1, 2}, Robin Groth^{1, 2}, Janet Qesja^{1, 2}, Liyang Qiu^{1, 2}, Ino Ahrens^{1, 2}, Titus Franz^{1, 2}, Timon Hilker³, Philipp Preiss^{1, 2}, and Immanuel Bloch^{1, 2, 4} — ¹Max-Planck Institute of Quantum Optics — ²Munich Center for Quantum Science and Technology — ³University of Strathclyde, Glasgow — ⁴Ludwig Maximilian University Munich

Ultracold fermionic systems have emerged as a leading platform for studying strongly correlated quantum matter, offering direct access to regimes that challenge both classical numerics and even qubit-based architectures. Using our newly developed quantum gas microscope, we can create and probe large, low-entropy ensembles of fermions with a short experimental cycle time. Building on this technical capability, we now demonstrate the preparation of a Mott insulator containing over 500 atoms in a square optical lattice. Leveraging a newly implemented programmable lattice with tunable geometry, we aim to probe exotic phases of the doped Fermi-Hubbard model. These measurements will allow systematic exploration of strongly correlated regimes that remain beyond the reach of classical computation.

Keywords: Quantum simulation; Optical lattices; Quantum gas microscope