Abstract
We investigate the electron–phonon coupling effects on the electronic transport properties of the metallic ( 5 , 5 ) -carbon nanotube using the time-dependent wave-packet approach based on the Kubo–Greenwood formula within a tight-binding approximation. We consider the zone-center longitudinal optical phonon among various phonon modes, and calculate the conductance for the 10 μ m carbon nanotubes at room temperature. We show that the electron–phonon coupling largely decreases the conductance around the Fermi energy, which is explained by the time-dependent behaviors of propagating length and the electronic band structure.
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