Skin effect in non-Hermitian subwavelength resonator systems
  1. Perturbed block Toeplitz matrices and the non-Hermitian skin effect in dimer systems of subwavelength resonators
    Habib Ammari, Silvio Barandun, Ping Liu*, submitted to Journal de Mathematiques Pures et Appliquees.
  2. Stability of the non-Hermitian skin effect
    Habib Ammari, Silvio Barandun, Bryn Davies, Erik Orvehed Hiltunen, Ping Liu*, submitted to SIAM on Applied Mathematics.
  3. The non-Hermitian skin effect with three-dimensional long-range coupling
    Habib Ammari, Silvio Barandun, Jinghao Cao*, Bryn Davies, Erik Orvehed Hiltunen, Ping Liu,submitted to Journal of the European Mathematical Society.
  4. Spectra and pseudo-spectra theory of tridiagonal k-Toeplitz operators and the topological origin of the non-Hermitian skin effect
    Habib Ammari, Silvio Barandun, Yannick De Bruijn, Ping Liu*, Clemens Thalhammer, 2024.

Interface modes in Hermitian subwavelength resonator systems
  1. Exponentially localised interface eigenmodes in finite chains of resonators
    Habib Ammari, Silvio Barandun, Bryn Davies, Erik Orvehed Hiltunen, Thea Kosche, Ping Liu*