2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/99363We present an extreme localization mechanism induced by a magnetic field for tight-binding electrons in two-dimensional structures. This spectacular phenomenon is investigated for a large class of tilings (periodic, quasiperiodic, or random). We are led to introduce the Aharonov-Bohm cages defined as the set of sites eventually visited by a wavepacket that can, for particular values of the magnetic flux, be bounded. We finally discuss the quantum dynamics which exhibits an original pulsating behaviour.4 pages Latex, 3 eps figures, 1 ps figureMesoscale and Nanoscale Physicstext