Abstract
An effective-medium theory is suggested, which is used to study optical properties of disordered metallodielectric nanocomposites. Expressions for the effective fields and effective parameters of nanoparticles with allowance for the electrodynamic interaction of nanoparticles have been obtained. It has been shown that the polarizing mutual influence of the structure elements of a system can give rise to regions with negative effective refractive index in the spectrum of individual particles. A model of a «left-handed» based on a field manipulation of the polarizability of nanoclusters different from the previously studied material manipulation has been put forward.
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