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Zhurnal Tekhnicheskoi Fiziki, 2025 Volume 95, Issue 5, Pages 865–878 (Mi jtf7560)

XII International Symposium ''Optics and Biophotonics'' (Saratov Fall Meeting 2024), Saratov, September 23-27, 2024
Theoretical and Mathematical Physics

Localized plasmons in nanoparticles: calculation methods

M. V. Davidovich

Saratov State University, Saratov, Russia

Abstract: Localized plasmons in small metallic and conductive particles are considered on the basis of the classical electrodynamic approach and an approximate approach based on the surface plasmon resonance method. The results based on the quasi-static integral equation for the surface charge density are also presented. Approximate analytical results for resonant frequencies are presented. It is shown that the approximate approach gives good accuracy in the case of small particles with sizes of the order of several nm.

Keywords: localized plasmons, surface conductivity, graphene, fullerenes, integral equations.

Received: 16.12.2024
Revised: 16.12.2024
Accepted: 16.12.2024

DOI: 10.61011/JTF.2025.05.60276.438-24



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© Steklov Math. Inst. of RAS, 2025