A Hybridization Model for the Plasmon Response of Complex Nanostructures

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Science  17 Oct 2003:
Vol. 302, Issue 5644, pp. 419-422
DOI: 10.1126/science.1089171

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We present a simple and intuitive picture, an electromagnetic analog of molecular orbital theory, that describes the plasmon response of complex nanostructures of arbitrary shape. Our model can be understood as the interaction or “hybridization” of elementary plasmons supported by nanostructures of elementary geometries. As an example, the approach is applied to the important case of a four-layer concentric nanoshell, where the hybridization of the plasmons of the inner and outer nanoshells determines the resonant frequencies of the multilayer nanostructure.

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