Abstract
The stationary energy-transport velocity associated with s-polarized plasmariton propagation in a spatially dispersive solid-state plasma is investigated theoretically. By incorporating, by means of the nonlinear Boltzmann–Vlasov equation, the induced flow of kinetic energy in the conduction-electron system, the present work extends previous studies. Numerical calculations of the magnitude and the direction of the energy-transport velocity as functions of the frequency and the angle of incidence of the light beam are presented for Al. It is demonstrated that the angular deviation between the energy-transport velocity calculated on the basis of nonlocal and local optical theories can be larger than 45° at a range of frequencies below the plasma edge.
© 1982 Optical Society of America
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