Phase transition through the splitting of self-dual spectral singularity in optical potentials.
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DOI: 10.1364/ol.42.005206
Abstract: We consider optical media, which feature antilinear symmetries. We show that (i) spectral singularities of such media (if any) are always self-dual, i.e., correspond to coherent perfect absorber lasers; (ii) under the change of a… read more here.
Keywords: phase transition; self dual; dual spectral; spectral singularity ... See more keywords