Experimental demonstration of coherence flow in $\mathcal{P}\mathcal{T}$- and anti-$\mathcal{P}\mathcal{T}$-symmetric systems

Yu-Liang Fang, Jun-Long Zhao, Yu Zhang +5

Non-Hermitian parity-time ($\mathcal{P}\mathcal{T}$) and anti-parity-time ($\mathcal{A}\mathcal{P}\mathcal{T}$)-symmetric systems exhibit novel quantum properties and have attracted increasing interest. Althoug…