AbstractThe Aharonov–Bohm effect of excitons and their relaxation kinetics are investigated within the model of semiconductor nanorings of zero width. The kinetic equations where calculated deformation potential matrix elements for an acoustic phonon scattering are used as an input are solved for the steady state. Photoluminescence quenching is observed for stronger magnetic fields when electron and hole are spatially separated. The non‐radiative decay plays a decisive role. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)