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Scattering of Electrons by Multi-Walled Cylindrical Potentials

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Extending our earlier work, we study the scattering of a beam of electrons incident along a transverse direction on a family of several coaxial cylindrical potentials. Solutions in closed form are obtained for the case of an incident plane wave, and a general form of the scattering potential. We analyze the partial and total cross sections for the specific case of a potential with two walls, and demonstrate the existence of pronounced "whispering" modes. For the case of a negative potential, we find that the existence of an additional outer potential leads to the creation of new quasi-bound states.
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Keywords: MULTIWALLED NANOTUBE; RESONANT ELECTRON SCATTERING; WHISPERING MODES

Document Type: Research Article

Publication date: November 1, 2011

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  • Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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