Fractional quantum anomalous Hall phase for Raman superarray of Rydberg atoms

Abstract

Rydberg atom arrays offer promising platforms for quantum simulation of correlated quantum matter and raise great interests. This work proposes a novel stripe-lattice model with Raman superarray of Rydberg atoms to realize bosonic fractional quantum anomalous Hall (FQAH) phase. Two types of Rydberg states, arranged in a supperarray configuration and with Raman-assisted dipole-exchange couplings, are implemented to realize a minimal QAH model for hard-core bosons populated into a topological flat band with large bulk gap under proper tunable experimental condition. With this the bosonic FQAH phase can be further achieved and probed feasibly. In particular, a novel quench protocol is proposed to probe the fractionalized excitations by measuring the correlated quench dynamics featured by fractional charge tunneling between bulk and chiral edge modes in the open boundary.

6+5 pages, 4+1 figures, final version accepted by Adv Quantum Technol

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Cited by in corpus (5)

• Proposal for simulating quantum spin models with the Dzyaloshinskii-Moriya interaction using Rydberg atoms and the construction of asymptotic quantum many-body scar states
• Realization and detection of Kitaev quantum spin liquid with Rydberg atoms
• Tuning excitation transport in a dissipative Rydberg ring
• Floquet Amorphous Topological Orders in a One-dimensional Rydberg Glass
• Tunable two-species spin models with Rydberg atoms in circular and elliptical states