2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/26419We will show that in zero magnetic field the rate of the geometric spin dephasing of a light hole in two-dimensional nanostructures is equal to the rate of the one-dimensional orientational relaxation of its crystal momentum. In contrast, this process is singularly ineffective for heavy holes.The article has been significantly revisedMesoscale and Nanoscale Physicstext