Abstract
A quantum-mechanical formula for describing the dependence of the longitudinal permittivity of a nanotube on its characteristic parameters and the magnetic field strength was derived. The imaginary part of the permittivity was isolated, and the cases of a Boltzmann and degenerate electron gas were examined. For a degenerate electron gas, asymptotic expressions for absorption in the short- and long-wave ranges were obtained. It was demonstrated that the absorption coefficient for a longitudinal electromagnetic wave exhibits Aharonov-Bohm oscillations.
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Original Russian Text © Yu.I. Sezonov, Yu.V. Perepelkina, 2009, published in Khimicheskaya Fizika, 2009, Vol. 28, No. 4, pp. 81–84.
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Sezonov, Y.I., Perepelkina, Y.V. Effect of an external magnetic field on Landau damping in carbon nanotubes. Russ. J. Phys. Chem. B 3, 247–250 (2009). https://doi.org/10.1134/S1990793109020110
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DOI: https://doi.org/10.1134/S1990793109020110