Effective electronic response of a system of metallic cylinders
- 15 June 1998
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 57 (24) , 15261-15266
- https://doi.org/10.1103/physrevb.57.15261
Abstract
The electronic response of a composite consisting of aligned metallic cylinders in vacuum is investigated on the basis of photonic band structure calculations. The effective long-wavelength dielectric response function is computed as a function of the filling fraction. A spectral representation of the effective response is considered and the surface mode strengths and positions are analyzed. The range of validity of a Maxwell-Garnett–like approach is discussed and the impact of our results on absorption spectra and electron energy-loss phenomena is addressed.Keywords
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