2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/214991We study the quantum theory of two-dimensional electrons in a magnetic field and an electric field generated by a homogeneous background. The dynamics separates into a microscopic and macroscopic mode. The latter is a circular Hall current which is described by a chiral quantum field theory. It is shown how in this second quantized picture a Laughlin-type wave function emerges.12 pages, 1 figure, LaTeX; comments on the particle density and the charge added, the figure improvedMathematical PhysicsCondensed MatterHigh Energy Physics - Theorytext