The rise and fall of the amplitude, and phase, around Exceptional Points: a Scattering matrix approach

J. Colín-Gálvez, E. Castaño, G. Báez +1

We analyze the behavior of a non-Hermitian opened one-dimensional quantum system with $\mathcal{P}\mathcal{T}$ symmetry. This system is built by a dimer, with balanced gains and losses descr…