2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/17868A brief summary of the physics of low-dimensional quantum systems is given. The material should be accessible to advanced physics undergraduate students. References to recent review articles and books are provided when possible.EOLSS Encyclopedia Article, 13 pages, RevtexMesoscale and Nanoscale PhysicsStrongly Correlated Electronstext