Fractional Flux Periodicity in Doped Carbon Nanotubes

Details Fractional Flux Periodicity in Doped Carbon Nanotubes Fractional Flux Periodicity in Doped Carbon Nanotubes

2004-07-20

arxiv.org/abs/cond-mat/0407539v2

Phys. Rev. B 70, 233406 (2004)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures

Scientific paper

10.1103/PhysRevB.70.233406

An anomalous magnetic flux periodicity of the ground state is predicted in two-dimensional cylindrical surface composed of square and honeycomb lattice. The ground state and persistent currents exhibit an approximate fractional period of the flux quantum for a specific Fermi energy. The period depends on the aspect ratio of the cylinder and on the lattice structure around the axis. We discuss possibility of this nontrivial periodicity in a heavily doped armchair carbon nanotube.

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