2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/158862We calculate the intensity of spontaneous radiation of a system of non-linear quantum field, where the non-linearity is due to deformations of the Poison brackets of the generalized coordinates and momenta.This paper is dedicated to Professor Igor Stasyuk on the occasion of his 70th birthday. 9 pages, 1 figureQuantum Physicstext