Quantum Transport of Rydberg Excitons with Synthetic Spin-Exchange Interactions

Abstract

We present a scheme for engineering quantum transport dynamics of spin excitations in a chain of laser-dressed Rydberg atoms, mediated by synthetic spin-exchange arising from diagonal van der Waals interaction. The dynamic tunability and long-range interaction feature of our scheme allows for the exploration of transport physics unattainable in conventional spin systems. As two concrete examples, we first demonstrate a topological exciton pumping protocol that facilitates quantized entanglement transfer, and secondly we discuss a highly nonlocal correlated transport phenomenon which persists even in the presence of dephasing. Unlike previous schemes, our proposal requires neither resonant dipole-dipole interaction nor off-diagonal van der Waals interaction. It can be readily implemented in existing experimental systems.

5 + 6 pages, 3 + 3 figures; accepted by Phys. Rev. Lett. (https://journals.aps.org/prl/accepted/de073YacN2715b6ec05880688688e315904d355dd)

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• Quantum simulation and computing with Rydberg-interacting qubits
• A concise review of Rydberg atom based quantum computation and quantum simulation
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• Manipulating synthetic gauge fluxes via multicolor dressing of Rydberg-atom arrays
• Dynamical hadron formation in long-range interacting quantum spin chains
• Coherent ground-state transport of neutral atoms
• Observation of anomalous information scrambling in a Rydberg atom array
• Atom-Photon Spin-Exchange Collisions Mediated by Rydberg Dressing
• Probing Hilbert Space Fragmentation with Strongly Interacting Rydberg Atoms
• Coherent excitation transport through ring-shaped networks
• High-resolution imaging of Rydberg atoms in optical lattices using an aspheric-lens objective in vacuum
• Simulation of classical Ising-like magnetism with a Mott insulator of paired atoms
• Dynamics of antiferromagnetic Dimers in Rydberg Atom Chains
• Resonant dynamics of spin cluster in a periodically driven one-dimensional Rydberg lattice
• Engineering the non-Hermitian Su-Schrieffer-Heeger model with skin effects in Rydberg atom arrays