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Discrimination between two mechanisms of surface scattering in a single-mode waveguide
M Rendón1, F M Izrailev, N M Makarov
1Facultad de Ciencias de la Electrónica, Universidad Autónoma de Puebla, Puebla, México. mrendon@ece.buap.mx
Abstract:
Transport properties of a single-mode waveguide with rough boundary are studied by discrimination between two mechanisms of surface scattering, the amplitude and square-gradient ones. Although these mechanisms are generically mixed, we show that for some profiles they can separately operate within nonoverlapping intervals of wave numbers of scattering waves. This effect may be important in realistic situations due to inevitable long-range correlations in scattering profiles.
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