2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/126147The cross section of light absorption by semiconductor quantum dots in the case of the resonance with excitons $Γ_6 \times Γ_7$ in cubical crystals $T_d$ is calculated. It is shown that an interference of stimulating and induced electric and magnetic fields must be taken into account. The absorption section is proportional to the exciton nonradiative damping $γ$.4 pages, 1 figureStatistical MechanicsMesoscale and Nanoscale Physicstext