Theoretical Study of Fano Resonance in Single-Walled Carbon Nanotubes

Details Theoretical Study of Fano Resonance in Single-Walled Carbon Nanotubes Theoretical Study of Fano Resonance in Single-Walled Carbon Nanotubes

2005-03-09

arxiv.org/abs/cond-mat/0503200v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 2 figures

Scientific paper

Electrical transport through single-walled carbon nanotubes (SWNTs) is investigated by using the nearest-neighbor tight-binding model coupled with two electron reservoirs. When the SWNT-electrode coupling is not axially symmetric, asymmetric resonance peaks are found in the conductance and are considered to be due to the interference between two transport channels. These Fano resonances are sensitive to the coupling with electrodes. When the coupling is axially symmetric, no asymmetric resonance peaks are observed.

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