Chiral currents in gold nanotubes

Details Chiral currents in gold nanotubes Chiral currents in gold nanotubes

2010-03-02

arxiv.org/abs/1003.0619v1

Phys. Rev. B 81, 073103 (2010) [4 pages]

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 6 figures

Scientific paper

10.1103/PhysRevB.81.073103

Results are presented for the electron current in gold chiral nanotubes (AuNTs). Starting from the band structure of (4,3) and (5,3) AuNTs, we find that the magnitude of the chiral currents are greater than those found in carbon nanotubes. We also calculate the associated magnetic flux inside the tubes and find this to be higher than the case of carbon nanotubes. Although (4,3) and (5,3) AuNTs carry transverse momenta of similar magnitudes, the low-bias magnetic flux carried by the former is far greater than that carried by the latter. This arises because the low-bias longitudinal current carried by a (4,3) AuNT is significantly smaller than that of a (5,3) AuNT.

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