Continuum of Bound States in a Non-Hermitian Model
Continuum of Bound States in a Non-Hermitian Model
In a Hermitian system, bound states have quantized energies while free states form a continuum. We demonstrate how this principle can fail in non-Hermitian systems. Certain non-Hermitian systems with imaginary momentum and Landau-type vector potential host eigenstates that we call "continuum Landau modes" (CLMs), featuring gaussian spatial envelopes and a …