000099105 001__ 99105
000099105 005__ 20210902121941.0
000099105 0247_ $$2doi$$a10.1098/rspa.2020.0530
000099105 0248_ $$2sideral$$a122426
000099105 037__ $$aART-2020-122426
000099105 041__ $$aeng
000099105 100__ $$0(orcid)0000-0002-0058-9746$$aDowning, C.A.
000099105 245__ $$aPlasmonic modes in cylindrical nanoparticles and dimers: Plasmons in cylindrical nanoparticles
000099105 260__ $$c2020
000099105 5060_ $$aAccess copy available to the general public$$fUnrestricted
000099105 5203_ $$aWe present analytical expressions for the resonance frequencies of the plasmonic modes hosted in a cylindrical nanoparticle within the quasi-static approximation. Our theoretical model gives us access to both the longitudinally and transversally polarized dipolar modes for a metallic cylinder with an arbitrary aspect ratio, which allows us to capture the physics of both plasmonic nanodisks and nanowires. We also calculate quantum mechanical corrections to these resonance frequencies due to the spill-out effect, which is of relevance for cylinders with nanometric dimensions. We go on to consider the coupling of localized surface plasmons in a dimer of cylindrical nanoparticles, which leads to collective plasmonic excitations. We extend our theoretical formalism to construct an analytical model of the dimer, describing the evolution with the inter-nanoparticle separation of the resultant bright and dark collective modes. We comment on the renormalization of the coupled mode frequencies due to the spill-out effect, and discuss some methods of experimental detection.
000099105 536__ $$9info:eu-repo/grantAgreement/ES/MINECO-Juan de la Cierva/URF-R1-201158
000099105 540__ $$9info:eu-repo/semantics/openAccess$$aby$$uhttp://creativecommons.org/licenses/by/3.0/es/
000099105 590__ $$a2.704$$b2020
000099105 591__ $$aMULTIDISCIPLINARY SCIENCES$$b34 / 73 = 0.466$$c2020$$dQ2$$eT2
000099105 592__ $$a0.813$$b2020
000099105 593__ $$aEngineering (miscellaneous)$$c2020$$dQ1
000099105 593__ $$aPhysics and Astronomy (miscellaneous)$$c2020$$dQ1
000099105 593__ $$aMathematics (miscellaneous)$$c2020$$dQ1
000099105 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000099105 700__ $$aWeick, G.
000099105 773__ $$g476, 2244 (2020), 20200530[21 pp]$$pProc. - Royal Soc., Math. phys. eng. sci.$$tPROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES$$x1364-5021
000099105 8564_ $$s911698$$uhttps://zaguan.unizar.es/record/99105/files/texto_completo.pdf$$yVersión publicada
000099105 8564_ $$s1724445$$uhttps://zaguan.unizar.es/record/99105/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000099105 909CO $$ooai:zaguan.unizar.es:99105$$particulos$$pdriver
000099105 951__ $$a2021-09-02-11:01:14
000099105 980__ $$aARTICLE