Skin effect in non-Hermitian systems
  1. Perturbed block Toeplitz matrices and the non-Hermitian skin effect in dimer systems of subwavelength resonators
    Habib Ammari, Silvio Barandun, Ping Liu*
  2. Stability of the non-Hermitian skin effect
    Habib Ammari, Silvio Barandun, Bryn Davies, Erik Orvehed Hiltunen, Ping Liu*
Interface modes in Hermitian systems