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dc.contributor.authorDowning, CA
dc.contributor.authorMariani, E
dc.contributor.authorWeick, G
dc.date.accessioned2017-09-29T14:31:22Z
dc.date.issued2017-10-09
dc.description.abstractWe study the effect of the electromagnetic environment on the resonance frequency of plasmonic excitations in dimers of interacting metallic nanoparticles. The coupling between plasmons and vacuum electromagnetic fluctuations induces a shift in the resonance frequencies, analogous to the Lamb shift in atomic physics, which is usually not measurable in an isolated nanoparticle. In contrast, we show that this shift leads to sizeable corrections to the level splitting induced by dipolar interactions in nanoparticle dimers. The ratio between the level splitting for the longitudinal and transverse hybridized modes takes a universal form dependent only on the interparticle distance and thus is highly insensitive to the precise fabrication details of the two nanoparticles. We discuss the possibility to successfully perform the proposed measurement using state-of-the-art nanoplasmonic architectures.en_GB
dc.description.sponsorshipThis work was partially funded by the Agence Nationale de la Recherche (Project ANR-14-CE26-0005 Q-MetaMat), the Centre National de la Recherche Scientifique through the Projet International de Cooperation Scientifique program (Contract Nr. 6384 APAG), the Leverhulme Trust (Research Project Grant RPG-2015-101), and the Royal Society (International Exchange Grant Nr. IE140367, Newton Mobility Grants 2016/R1 UK-Brazil, and Theo Murphy Award TM160190).en_GB
dc.identifier.citationVol. 96, article 155421en_GB
dc.identifier.doi10.1103/PhysRevB.96.155421
dc.identifier.urihttp://hdl.handle.net/10871/29621
dc.language.isoenen_GB
dc.publisherAmerican Physical Societyen_GB
dc.rights© 2017 American Physical Society
dc.titleRadiative frequency shifts in nanoplasmonic dimersen_GB
dc.typeArticleen_GB
dc.descriptionThis is the author accepted manuscript. The final version is available from APS via the DOI in this record.en_GB
dc.identifier.journalPhysical Review Ben_GB


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