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Cited by 261

The DOI matches its Crossref record; 31 of the 31 references it cites were found in a registry or an index.

Quantum size effects in the optical properties of small metallic particles

Wood, D. M., Ashcroft, N. W.·1982·Physical Review B
DOI 10.1103/physrevb.25.6255
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Abstract

The electric-dipole susceptibility of small metal particles of characteristic dimension $L$ is calculated within the random-phase approximation on the assumption that ${k}_{F}^{\ensuremath{-}1}<<L<<\ensuremath{\lambda}$, where $\ensuremath{\lambda}$ is the wavelength of the electromagnetic field and ${k}_{F}$ the Fermi wave vector for bulk metal. Electron scattering is introduced in a number-conserving relaxation time approximation, and the optical conductivity of a single particle and the absorption coefficient for a suspension of such particles are determined. The matrix elements for cubical particles are sufficiently tractable that the evolution of the optical properties with particle size may be followed down to a metal-insulator transition demonstrated to occur for particle dimensions ($\frac{\ensuremath{\sim}1}{{k}_{F}}$) consistent with the Ioffe-Regel localization criterion. The far-infrared absorption coefficient is found to diverge as the critical particle size is approached. The surface plasmon is monotonically red-shifted and considerably broadened by Landau damping. Criteria for observing the discrete optical structure in small metallic particles are presented.

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Metadata

Authors
Wood, D. M., & Ashcroft, N. W.
Venue
Physical Review B
Publisher
American Physical Society (APS)
Published
1982-05-15
Volume
25
Issue
10
Pages
6255-6274
ISSN
0163-1829 (ISSN-L)
DOI
10.1103/physrevb.25.6255
OpenAlex
W2025948248
Cited by
261
References
31
FWCI
18.20
Type
journal article
Language
en
Open access
closed

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