2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/56562We show that ``ergodic regime'' appears for generic dispersion relations in the semiclassical motion of electrons in a metal and we prove that, in the fixed energy picture, the measure of the set of such directions is zero.3 pagesMathematical PhysicsExistence and measure of ergodic leaves in Novikov's problem on the semiclassical motion of an electrontext