Dust acoustic wave oscillations in metallic carbon nanotubes |
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| Authors: | Ali Fathalian Shahram Nikjo |
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| Institution: | 1. Unit of Nanotechnology and Bioactive Natural Products, Post Graduate and Research Department of Zoology, C. Abdul Hakeem College, Melvisharam-632 509, Vellore District, Tamil Nadu, India;2. Department of Biotechnology, Periyar University, Salem-636 011, Tamil Nadu, India;1. Centre for Micro and Nano Devices (CMND), Department of Physics, COMSATS Institute of Information Technology, Islamabad 44000, Pakistan;2. Department of Bioscience, COMSATS Institute of Information Technology, Islamabad 44000, Pakistan |
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| Abstract: | We present theoretical analysis of plasmon dispersion in single-walled metallic carbon nanotubes (SWCNTs) in the presence of low-frequency electromagnetic radiation, based on classical electrodynamic formulations and linearized hydrodynamic model. We assume that metallic carbon nanotubes (CNTs) are charged due to the field emission, and hence the metallic nanotubes can be regarded as charged dust rods surrounded by degenerate electrons and ions. Calculations are performed for the transverse electric (TE) and transverse magnetic (TM) waves, respectively, by solving the Maxwell and hydrodynamic equations with appropriate boundary conditions. |
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