Axion Haloscope Array With $\mathcal{P}\mathcal{T}$ Symmetry

Yifan Chen, Minyuan Jiang, Yiqiu Ma +2

We generalize the recently proposed $\mathcal{P}\mathcal{T}$-symmetric axion haloscope to a larger array with more $\mathcal{P}\mathcal{T}$-symmetric structures. By broadening the response bandwidth…