An excited atom interacting with a Chern insulator: toward a far-field resonant Casimir–Polder repulsionBing-Sui Lu, Khatee Zathul Arifa and Martial DucloyEur. Phys. J. D, 76 11 (2022) 210DOI: https://doi.org/10.1140/epjd/s10053-022-00544-x