Exceptional point and hysteresis trajectories in cold Rydberg atomic gases

J Jun Zhang E En-Ze Li Y Ya-Jun Wang B Bang Liu L Li-Hua Zhang (Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, College of Marine Science and Engineering, Nanjing Normal University) Z Zheng-Yuan Zhang S Shi-Yao Shao Q Qing Li H Han-Chao Chen Y Yu Ma T Tian-Yu Han Q Qi-Feng Wang J Jia-Dou Nan Y Yi-Ming Yin D Dong-Yang Zhu G Guang-Can Guo (Department of Optics and Optical Engineering, School of Physical Sciences) D Dong-Sheng Ding B Bao-Sen Shi