2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/20425In this paper, spiral symmetry in cylindrical coordinate and general Bloch's theorem induced from it are discussed. This general Bloch's theorem is useful for considering the properties related to single-walled carbon nanotubes.4 pagesMaterials ScienceMesoscale and Nanoscale Physicstext