Wave scattering by a periodic perturbation: embedded Rayleigh-Bloch modes and resonances

P. Zhevandrov, A. Merzon, M. I. Romero Rodríguez +1

The scattering of quasiperiodic waves for a two-dimensional Helmholtz equation with a constant refractive index perturbed by a function which is periodic in one direction and of fi…