Fractional Quantum Anomalous Hall Phase for Raman Superarray of Rydberg Atoms

Author:

Poon Ting Fung Jeffrey12,Zhou Xin‐Chi12,Wang Bao‐Zong12,Yang Tian‐Hua12,Liu Xiong‐Jun123

Affiliation:

1. International Center for Quantum Materials School Physics, Peking University No.5, Yiheyuan Road, Haidian District Beijing 100871 China

2. Hefei National Laboratory No.96, JinZhai Road, Baohe District Hefei Anhui 230088 China

3. International Quantum Academy No.10, Binglang Road, Futian District Shenzhen 518048 China

Abstract

AbstractRydberg 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.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Publisher

Wiley

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Tuning Excitation Transport in a Dissipative Rydberg Ring;Chinese Physics Letters;2024-03-01

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