Abstract
A theory of electromagnetic surface wave propagation on a plane superconductor-vacuum interface is presented for asuperconductor with strong coupling. The solution of aself-consistent equation for the energy of elementary excitationsis obtained in terms of modified u-v transformation method. Thelinear response (conductivity) tensor is analysed in the framework of a non-local description allowing for the finite dimensionof the Cooper pair. Within the framework of the semi-classicalinfinite-barrier model the surface wave dispersion relationsare calculated analytically and numerically for the cases ofstrong-, intermediate-, and weak-coupling superconductors.
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