2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/29177We study non-linear phenomena in quantum dots. Non linearities are reflected in the I-V characteristic curve as bistabilities, instabilities and time dependent oscillations of the currents. The nature of the non-linear behavior depends upon the parameters that define the system.To appear in Sol. Stat. CommMesoscale and Nanoscale Physicstext