2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/28316At a surface between electromagnetic media the Maxwell equations are consistent with either the usual boundary conditions, or exactly one alternative: continuity of E(perpendicular), H(perpendicular), D(parallel), B(parallel). These alternative, classically inexplicable conditions applied to the top and bottom surfaces of an FQH layer capture exactly its unique low-frequency properties.7 pagesMesoscale and Nanoscale PhysicsStrongly Correlated Electronstext