2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/142565This comment has been withdrawn by the authors due to crucial error.This comment has been withdrawnMesoscale and Nanoscale PhysicsComment on PRL 99,140402 (2007) "Excitations in a nonequilibrium Bose Einstein Condensate of Exciton-polaritons" by M. Wouters and I. Carusottotext