Interaction Control of Ultracold Alkaline-Earth Atoms

Abstract

Ultracold alkaline-earth atoms have now been widely explored for precision measurements and quantum simulation. Because of its unique atomic structure, alkaline earth atoms possess great advantages for quantum simulation and studying quantum many-body matters, such as simulating synthetic gauge field, Kondo physics and $SU(N)$ physics. To fully explore the potential of ultracold alkaline-earth atoms, these systems also need to be equipped with the capability of tuning the inter-atomic interaction to the strongly interacting regime. Recently several theoretical proposals and experimental demonstrations have shown that both spin-independent and spin-exchanging interaction can be tuned to resonance. In this perspective, we will review these progress and discuss the new opportunities brought by these interaction control tools for future quantum simulation studies with ultracold alkaline-earth atoms.

arXiv commentReview article, 12 Pages, 3 Figures, 1 Box, 1 Table

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• Realization of Qi-Wu-Zhang model in spin-orbit-coupled ultracold fermions
• Rydberg superatoms: An artificial quantum system for quantum information processing and quantum optics
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• Multivalent optical cycling centers in polyatomic molecules
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• Scalable, ab initio protocol for quantum simulating SU($N$)$\times$U(1) Lattice Gauge Theories
• Kondo effect in a non-Hermitian, $\mathcal{P}\mathcal{T}$-symmetric Anderson model with Rashba spin-orbit coupling
• Chemical reactions of ultracold alkaline-earth-metal diatomic molecules
• A spin chain with non-Hermitian $\mathcal{PT}-$symmetric boundary couplings: exact solution, dissipative Kondo effect, and phase transitions on the edge
• Engineering the Kondo impurity problem with alkaline-earth atom arrays
• Asymmetric Conductivity of the Kondo Effect in Cold Atomic Systems
• Interaction-Induced Dimensional Crossover through Full 3D to 1D
• Universal energy-dependent pseudopotential for the two-body problem of confined ultracold atoms
• Few-body solutions under spin-exchange interaction: magnetic bound state and the Kondo screening effect
• Observability of a Sharp Majorana Transition in a Few-Body Model
• Kondo Effect in a Spin-3/2 Fermi Gas
• Single-atom imaging of ${}^{173}$Yb in optical tweezers loaded by a five-beam magneto-optical trap
• Ground State Phase Diagram of $\text{SU}(3)$ $t$-$J$ Chain
• Degenerate Rabi spectroscopy of the Floquet engineered optical lattice clock
• Laser Manipulation of Spin-Exchange Interaction Between Alkaline-Earth Atoms in ${}^1$S${}_0$ and ${}^3$P${}_2$ States
• Two-band atomic superfluidity in the presence of an orbital Feshbach resonance
• Heuristic machinery for thermodynamic studies of SU(N) fermions with neural networks
• Dissipative Kondo physics in the Anderson Impurity Model with two-body losses
• Bosonic Peierls state emerging from the one-dimensional Ising-Kondo interaction
• Boson-Anyon-Fermion Mapping and Anyon Construction in One Dimension