Size-dependence of the Lorentz friction for surface plasmons in metallic nanospheres | Zendy

Witold Jacak | Zendy

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Size-dependence of the Lorentz friction for surface plasmons in metallic nanospheres

Author(s) -

Witold Jacak

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.004472

Subject(s) - surface plasmon resonance , surface plasmon , plasmon , materials science , radius , resonance (particle physics) , condensed matter physics , hyperboloid model , lorentz force , localized surface plasmon , lorentz transformation , metal , optics , physics , atomic physics , nanotechnology , nanoparticle , optoelectronics , classical mechanics , quantum mechanics , magnetic field , computer security , computer science , minkowski space , metallurgy

An inclusion of the Lorentz friction to the damping of plasmons in metallic nanosphere is performed within the random phase approximation quasiclassical approach. The explanation of the experimentally observed anomalous red shift of plasmon resonance frequency with increase of the metallic particle radius for a large size limit is given and the perfect coincidence of the measured plasmon resonance red shift for Au nanospheres with radii 10 - 75 nm and the theory with accurately included Lorentz friction is demonstrated.

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