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Polarization-Field Influence on Light-Ion Channeling in Carbon Nanotubes

  • A. S. Sabirov
Article
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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.

Keywords

nanotubes channeling plasmons polarization potential energy losses 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Ulyanov Chuvash State UniversityCheboksaryRussia

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