Hofstadter butterflies of carbon nanotubes: Pseudofractality of the magnetoelectronic spectrum

URN to cite this document:: urn:nbn:de:bvb:355-epub-18383

Nemec, Norbert ; Cuniberti, Gianaurelio

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Date of publication of this fulltext: 05 Aug 2009 13:33

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Abstract

The electronic spectrum of a two-dimensional square lattice in a perpendicular magnetic field has become known as the Hofstadter butterfly [Hofstadter, Phys. Rev. B 14, 2239 (1976).]. We have calculated quasi-one-dimensional analogs of the Hofstadter butterfly for carbon nanotubes (CNTs). For the case of single-wall CNTs, it is straightforward to implement magnetic fields parallel to the tube ...