Abstract
Within a proposed model of quasi-two-dimensional excitons in a quantunl well (QW) a correlation theory has been developed for resonant elastic scattering of light from excitonic polarization fluctuations induced by randomly rough interfaces. For a single QW placed in a Fabry-Perot many-layer dielectric environment, intensity of the exciton-mediated elastic scattering of light is shown to be two orders of magnitude larger than that of the nonresonant scattering. The resonant excitonic contribution is concluded to be measurable even for a single QW whose interface r.m.s. roughness height is comparable to atomic monolayer thickness.
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