BAND THEORY AND ELECTRONIC-STRUCTURES OF CARBON NANOTUBES

A band structure model for carbon nanotubes taking into account the de formation potential characterizing the conformal mapping of graphene t o tubules is presented and overlap is introduced in the pi band calcul ations. This model corresponds to the study of a one-dimensional (1D) system and is not simply the limit of a 2D system becoming quasi-1D. W hile development is explicitly made for the zigzag tubules, the method itself can also be applied to the armchair and chiral configurations by modifying the structure factor and boundary conditions. (C) 1997 El sevier Science S.A.