Phys. Rev. B 59, 12847–12852 (1999)Local-field distribution in resonant composites: Green’s-function formalismReceived 30 November 1998; published in the issue dated 15 May 1999 The effective response depends sensitively on composite microstructure due to large fluctuations in the local-electric field. For metallic clusters embedded in a dielectric host, the local-field distributions are extremely inhomogeneous in space around the metallic clusters due to quasistatic resonance, leading to a large enhancement in the effective linear and nonlinear responses. In this paper, we propose a general method for computing the electric field of metallic clusters near resonance via a perturbation formalism. We illustrate the method by simple examples. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.59.12847
DOI:
10.1103/PhysRevB.59.12847
PACS:
42.65.-k, 05.50.+q
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