2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/20734It is shown that a homogeneous non-equlibrium spin-polarization in semiconductor heterostructures results in an electric current. The microscopic origin of the effect is an inherent asymmetry of spin-flip scattering in systems with lifted spin degeneracy caused by k-linear terms in the Hamiltonian.Condensed Mattertext