2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/171355Measurements on a two-dimensional electron system confined to an AlAs quantum well reveal that for a given electron density the valley susceptibility, defined as the change in valley population difference per unit strain, is enhanced as the system makes a transition from partial to full spin polarization. This observation is reminiscent of earlier studies in which the spin susceptibility of AlAs electrons was observed to be higher in a single-valley system than its two-valley counterpart.Mesoscale and Nanoscale PhysicsStrongly Correlated Electronstext