Non-Hermicity-induced multistability in two-level atom-cavity optomechanics Yu Chengyong, Kashif Ammar Yasir and Gao Xianlong Eur. Phys. J. Plus, 138 9 (2023) 810 Published online: 15 September 2023 DOI: 10.1140/epjp/s13360-023-04437-9