Observation of $\mathcal{P}\mathcal{T}$-symmetric quantum coherence in a single ion system

Wei-Chen Wang, Yan-Li Zhou, Hui-Lai Zhang +9

Parity-time($\mathcal{P}\mathcal{T}$)-symmetric systems, featuring real eigenvalues despite its non-Hermitian nature, have been widely utilized to achieve exotic functionalities in the class…