Information retrieval and eigenstates coalescence in a non-Hermitian quantum system with anti-$\mathcal{P}\mathcal{T}$ symmetry

Liangyu Ding, Kaiye Shi, Yuxin Wang +7

Non-Hermitian systems with parity-time reversal ($\mathcal{P}\mathcal{T}$) or anti-$\mathcal{P}\mathcal{T}$ symmetry have attracted a wide range of interest owing to their unique characteristics and c…