Surface plasmon in metallic nanoparticles: renormalization effects due to electron-hole excitations

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dc.creatorWeick, Guillaume
dc.creatorIngold, Gert-Ludwig
dc.creatorJalabert, Rodolfo A.
dc.creatorWeinmann, Dietmar
dc.date2006-05-15
dc.date2006-10-27
dc.date.accessioned2026-07-07T07:08:57Z
dc.date.available2026-07-07T07:08:57Z
dc.descriptionThe electronic environment causes decoherence and dissipation of the collective surface plasmon excitation in metallic nanoparticles. We show that the coupling to the electronic environment influences the width and the position of the surface plasmon resonance. A redshift with respect to the classical Mie frequency appears in addition to the one caused by the spill-out of the electronic density outside the nanoparticle. We characterize the spill-out effect by means of a semiclassical expansion and obtain its dependence on temperature and the size of the nanoparticle. We demonstrate that both, the spill-out and the environment-induced shift are necessary to explain the experimentally observed frequencies and confirm our findings by time-dependent local density approximation calculations of the resonance frequency. The size and temperature dependence of the environmental influence results in a qualitative agreement with pump-probe spectroscopic measurements of the differential light transmission.
dc.description15 pages, 8 figures; version accepted in PRB
dc.identifierhttps://arxiv.org/abs/cond-mat/0605389
dc.identifierhttp://arxiv.org/abs/cond-mat/0605389
dc.identifierPhys. Rev. B 74, 165421 (2006)
dc.identifierdoi:10.1103/PhysRevB.74.165421
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/110896
dc.subjectMesoscale and Nanoscale Physics
dc.titleSurface plasmon in metallic nanoparticles: renormalization effects due to electron-hole excitations
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