2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/22637The nonlinear conductance of a one-dimensional quantum wire adiabatically coupled to Fermi Liquid electron reservoirs is determined in presence of an impurity. We show that electron-electron interaction in connection with the finite length of the wire leads to characteristic oscillations in the current as a function of the applied voltage.4 pages, two figures, accepted for publication in Phys. Rev. LettStrongly Correlated Electronstext