Complex Spatiotemporal Modulations and Non-Hermitian Degeneracies in $\mathcal{P}\mathcal{T}$-Symmetric Phononic Materials

M. Moghaddaszadeh, M. A. Attarzadeh, A. Aref +1

Unraveling real eigenfrequencies in non-Hermitian $\mathcal{P}\mathcal{T}$-symmetric Hamiltonians has opened new avenues in quantum physics, photonics, and most recently, phononics. However,…