2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/29761We study coherent charge tunneling through a one-dimensional interacting ring with a one-dimensional quantum dot embedded in one of its arms through bosonisation. The symmetries of the effective action explain many of the features such as phase change between resonances, in-phase successive resonances and phase-locking, which have been observed in experiments of coherent transport in mesoscopic rings, with a quantum dot. We also predict changes in the behaviour of the tunneling conductance in the presence of an Aharanov-Bohm flux through the ring. We argue that these results hold true in general for any dot.Latex, 9 pages, 1 figure; to appear in Phys. Rev. BMesoscale and Nanoscale Physicstext