Hamiltonian engineering of spin-orbit coupled fermions in a Wannier-Stark optical lattice clock

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Abstract

Engineering a Hamiltonian system with tunable interactions provides opportunities to optimize performance for quantum sensing and explore emerging phenomena of many-body systems. An optical lattice clock based on partially delocalized Wannier-Stark states in a gravity-tilted shallow lattice supports superior quantum coherence and adjustable interactions via spin-orbit coupling, thus presenting a powerful spin model realization. The relative strength of the on-site and off-site interactions can be tuned to achieve a zero density shift at a `magic' lattice depth.

Year of Publication
2022
Date Published
2022-11
Journal Title
Science Advances
Volume
8
Issue
41
Start Page or Article ID
eadc9242
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Tuning atomic interactions in a clock