2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/20266A variational solution of the coupled electron-phonon Boltzmann equations is used to calculate the phonon drag contribution to the thermopower in a 1-D system. A simple formula is derived for the temperature dependence of the phonon drag in metallic, single-walled carbon nanotubes. Scattering between different electronic bands yields nonzero values for the phonon drag as the Fermi level varies.8 pages, 4 figuresMesoscale and Nanoscale Physicstext