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Fractional Flux Periodicity in Doped Carbon Nanotubes

K. Sasaki·S. Murakami·R. Saito
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Abstract

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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K. Sasaki, S. Murakami, R. Saito. 2004-09-18. Fractional Flux Periodicity in Doped Carbon Nanotubes. https://doi.org/10.1103/physrevb.70.233406

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