Coherent Excitation Transfer in a Spin Chain of Three Rydberg Atoms

Abstract

We study coherent excitation hopping in a spin chain realized using highly excited individually addressable Rydberg atoms. The dynamics are fully described in terms of an XY spin Hamiltonian with a long range resonant dipole-dipole coupling that scales as the inverse third power of the lattice spacing, $C_3/R^3$. The experimental data demonstrate the importance of next neighbor interactions which are manifest as revivals in the excitation dynamics. The results suggest that arrays of Rydberg atoms are ideally suited to large scale, high-fidelity quantum simulation of spin dynamics.

5 pages and 4 figures + supplementary material ; published version

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• Strongly interacting ultracold polar molecules
• Topological bands with Chern number C=2 by dipolar exchange interactions
• The interplay between thermal Rydberg gases and plasmas
• Spontaneous avalanche dephasing in large Rydberg ensembles
• Scalable $W$-type entanglement resource in neutral-atom arrays with Rydberg-dressed resonant dipole-dipole interaction
• Quantum battery based on dipole-dipole interaction and external driving field
• Polarization gradient cooling of single atoms in optical dipole traps
• Determinant representations of spin-operator matrix elements in the XX spin chain and their applications
• Multiphoton blockade and antibunching in an optical cavity coupled with dipole-dipole interacting $\Lambda$-type atoms
• Dipolar exchange induced transparency with Rydberg atoms
• Quantum state engineering by periodical two-step modulation in atomic system
• Topological spin models in Rydberg lattices
• Exact Entanglement dynamics in Three Interacting Qubits
• Strong zero-field Förster resonances in K-Rb Rydberg systems
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