Nonlocal optical response of metal nanostructures with arbitrary shape

Jeffrey M. McMahon, Stephen K. Gray, George C Schatz

Research output: Contribution to journalArticlepeer-review

215 Scopus citations


We present an implementation of Maxwell's equations that incorporates the spatially nonlocal response of materials, an effect necessary to describe the optical properties of structures with features less than 10nm. For the first time it is possible to investigate the nonlocal optical response of structures without spherical or planar shape, and outside of the electrostatic limit. As an illustration, we calculate the optical properties of Au nanowires and show that nonlocal effects are particularly important in structures with apex features, even for arbitrarily large sizes.

Original languageEnglish (US)
Article number097403
JournalPhysical review letters
Issue number9
StatePublished - Aug 27 2009

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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