Quantum Corrections in Nanoplasmonics: Shape, Scale, and Material

Thomas Christensen, Wei Yan, Antti-Pekka Jauho, Marin Soljacic, N. Asger Mortensen

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Abstract

The classical treatment of plasmonics is insufficient at the nanometer-scale due to quantum mechanical surface phenomena. Here, an extension of the classical paradigm is reported which rigorously remedies this deficiency through the incorporation of first-principles surface response functions-the Feibelman d parameters-in general geometries. Several analytical results for the leading-order plasmonic quantum corrections are obtained in a first-principles setting; particularly, a clear separation of the roles of shape, scale, and material is established. The utility of the formalism is illustrated by the derivation of a modified sum rule for complementary structures, a rigorous reformulation of Kreibig's phenomenological damping prescription, and an account of the small-scale resonance shifting of simple and noble metal nanostructures.
Original languageEnglish
Article number157402
JournalPhysical Review Letters
Volume118
Issue number15
Pages (from-to)157402 (7 pp.)
Number of pages7
ISSN0031-9007
DOIs
Publication statusPublished - 2017

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