2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/154992We study the effect of electron-electron interactions on the transport in an inhomogeneous quantum wire. We show that contrary to the well-known Luttinger liquid result, non-uniform interactions contribute substantially to the resistance of the wire. In the regime of weakly interacting electrons and moderately low temperatures we find a linear in T resistivity induced by the interactions. We then use the bosonization technique to generalize this result to the case of arbitrarily strong interactions.4 pages, 1 figureMesoscale and Nanoscale Physicstext