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Influence Of The Local Field And Dipole-Dipole Interactions On The Spectral Characteristics Of Simple Metals And Their Nanoparticles, I. I. Shaganov, Kevin Berwick, T. S. Perova
Influence Of The Local Field And Dipole-Dipole Interactions On The Spectral Characteristics Of Simple Metals And Their Nanoparticles, I. I. Shaganov, Kevin Berwick, T. S. Perova
Articles
The effect of dipole-dipole interactions of free electrons on the spectral characteristics of simple metals and their nanoparticles is analyzed using Drude theory and the model of the Lorentz local field. It is established that accounting for the dispersion of a local field under conditions of one-dimensional (1D) confinement based on the optical constants of the bulk metal allows the determination of its spectral micro-characteristics in the frequency region of the longitudinal collective motions of the free electrons. This corresponds to the spectra of the dielectric losses of bulk plasma oscillations. A similar procedure for three-dimensional (3D) confinement produces the …