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Within the framework of non-Hermitian photonics, the authors investigate the interplay between disorder and non-Hermiticity in a one-dimensional disordered lattice. They show that the competition between the effects of disorder and non-Hermiticity results in qualitatively distinct phases of wave diffraction, including counterintuitive characteristics regarding the relation between the strength of disorder and the wave packet's velocity.
Kokkinakis et al. (Tue,) studied this question.