Abstract
The electrodynamic approach to the problem of collective oscillations in superconductors is considered. The kinetic equation for quasiparticles is used to find the longitudinal dielectric function ɛ 1 (Ω, k) of a pure superconductor at Ω ≪ Ν (Ν is the collision frequency). With the help of the evaluated ɛ 1 (Ω, k) the existence of collective oscillations localized near the boundary of the superconductor is investigated.
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Lozovik, Y.E., Apenko, S.M. Longitudinal dielectric function and collective surface oscillations in superconductors. J Low Temp Phys 43, 383–396 (1981). https://doi.org/10.1007/BF00116163
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DOI: https://doi.org/10.1007/BF00116163