Freiburg 2024 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 32: Quantum Gases (joint session Q/A)
A 32.6: Vortrag
Donnerstag, 14. März 2024, 15:45–16:00, Aula
Towards simulation of lattice gauge theories with ultracold ytterbium atoms in hybrid optical potentials — •Rene Villela1,2, Tim Höhn1,2, Etienne Staub1,2, Leonardo Bezzo1,2, Ronen Kroeze1,2, and Monika Aidelsburger1,2,3 — 1Ludwig-Maximilians-Universität, München, Germany — 2Munich Center for Quantum Science and Technology, München, Germany — 3Max-Planck-Institut für Quantenoptik, Garching, Germany
Gauge theories play a fundamental role in our understanding of nature, ranging from high-energy to condensed matter physics. Their formulation on a regularized periodic lattice geometry, so-called lattice gauge theories (LGTs), has proven invaluable for theoretical studies, as numerical studies on, e.g., their real-time dynamics are computationally challenging. We report progress on developing a quantum simulator for LGTs using neutral ytterbium atoms. Ytterbium's internal level structure provides a ground and metastable clock state pair, and fermionic isotopes further host nuclear spin degrees of freedom. We combine optical lattice and optical tweezers technology that can enable robust and scalable implementation of LGTs. To realize state-selective control, which is key for our approach to simulate LGTs, we exploit magic and tune-out wavelengths. We present the first measurements of such wavelengths near the narrow cooling transition at 556 nm and discuss prospects in implementing local gauge invariance.
Keywords: Lattice Gauge Theories; Spectroscopy; Optical Lattices; Ytterbium; Quantum Simulation