2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/17959We use magnetotunnelling spectroscopy as a non-invasive probe to produce two-dimensional spatial images of the probability density of an electron confined in a self-assembled semiconductor quantum dot. The images reveal clearly the elliptical symmetry of the ground state and the characteristic lobes of the higher energy states.5 pages, 5 figures, revtexSoft Condensed Mattertext