Quantum Transport Properties of Carbon Nanotubes in Electromagnetic Modulation

摘要

We present an efficient approach to study the electronic transport properties of the individual single-walled metallic carbon nanotubes in electromagnetic modulation. The method is based on transfer matrices with the Landauer-Buttiker formula for the coherent conductance. It found that conductance is quantized as the unit of G_0. Furthermore, the resonant peak of conductance spectrums is restrained by introducing periodical magnetic modulation. And the conductance curve tends to shift to high incident energy region as enlarging the density of electromagnetic modulation.