Abstract
The polarization potential of the interaction between fast charged particles and multilayer-nanotube walls, which arises due to the excitation of surface modes of electromagnetic oscillations, is estimated. A nanotube is interpreted as a set of concentric cylindrical layers with specified dielectric properties. Formulas for calculating the polarization-field potential are derived as applied to a charged particle moving parallel to the multilayer nanotube axis. Numerical calculations are performed in the single-mode approximation of a dielectric function. The polarization forces arising in a multilayer nanotube are compared with those corresponding to the single-layer one. It is demonstrated that, under certain conditions, existing external layers can sufficiently affect the polarization forces acting on charged-particle channeling in a nanotube. At the same time, model calculations indicate that outer layers exert an insignificant influence on the polarization losses of the channeling-particle energy.
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Original Russian Text © A.S. Sabirov, 2018, published in Poverkhnost’, 2018, No. 8, pp. 86–90.
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Sabirov, A.S. Polarization-Field Influence on Light-Ion Channeling in Carbon Nanotubes. J. Surf. Investig. 12, 811–815 (2018). https://doi.org/10.1134/S1027451018040353
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DOI: https://doi.org/10.1134/S1027451018040353