High-Frequency Electric Field Induced Nonlinear Electron Transport in Chiral Carbon Nanotubes
High-Frequency Electric Field Induced Nonlinear Electron Transport in Chiral Carbon Nanotubes作者机构：Department of Physics Laser and Fibre Optics Centre University of Cape Coast Cape Coast Ghana Department of Applied Physics University for Development Studies Navorongo Ghana Department of Physics The Pennsylvania State University-Altoona Altoona USA Materials Research Institute The Pennsylvania State University University Park USA Department of Mathematics University of Cape Coast Cape Coast Ghana
出 版 物：《World Journal of Condensed Matter Physics》 (凝固态物理国际期刊（英文）)
年 卷 期：2015年第5卷第4期
页 面：294-300页
主 题：Carbon Nanotubes High Frequency Electric Field Electric Current Density Complex Conductivity
摘 要：We investigate theoretically the high frequency complex conductivity in carbon nanotubes that are stimulated axially by a strong inhomogeneous electric field of the form E(t)=E0+E1cos(ωt). Using the kinetic approach based on Boltzmann’s transport equation with constant relaxation time approximation and the energy spectrum of the electron in the tight-binding approximation, together with Bhatnagar-Gross-Krook collision integral, we predict high-frequency nonlinear effects along the axial and the circumferential directions of the carbon nanotubes that may be useful for the generation of high frequency radiation in the carbon nanotubes.
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