Xin Yang , Jiawen Li , Yifei Ding , 1, Mengwei Xu ,  Xue-Feng Zhu*, and Jie Zhu*.

Observation of Transient Parity-Time Symmetry in Electronic Systems

Phys. Rev. Lett. 2022, 1. 

DOI:10.1103/PhysRevLett.128.065701.