Presence of Perfectly Conducting Channel in Metallic Carbon Nanotubes | Zendy

Tsuneya Ando | Zendy; Hidekatsu Suzuura | Zendy

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Presence of Perfectly Conducting Channel in Metallic Carbon Nanotubes

Author(s) -

Tsuneya Ando,

Hidekatsu Suzuura

Publication year - 2002

Publication title -

journal of the physical society of japan

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.76

H-Index - 139

eISSN - 1347-4073

pISSN - 0031-9015

DOI - 10.1143/jpsj.71.2753

Subject(s) - mean free path , conductance , carbon nanotube , boltzmann equation , scattering , materials science , condensed matter physics , channel (broadcasting) , inverse , boltzmann constant , metal , lattice constant , physics , nanotechnology , quantum mechanics , diffraction , geometry , mathematics , engineering , electrical engineering , metallurgy

It is proved that a conducting channel transmitting perfectly without backscattering is present independent of energy in metallic carbon nanotubes for scatterers with potential range larger than the lattice constant. In the case that several traveling channels are present, the conductance decreases from the ideal value determined by the number of traveling modes to the single-channel value when the length exceeds the mean free path determined by a Boltzmann transport equation. Further, inelastic scattering makes the conductance decrease in proportion to the inverse of the length in qualitative agreement with the Boltzmann result.

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