2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/160297We argue that the way to get the general solution of a Schrodinger equation in the presence of a time-dependent linear potential based on the Lewis-Riesenfeld framework is to use a Hermitian linear invariant operator. We demonstrate that the linear invariant proposed in p and q is an Hermitian operator which has the Gaussian wave packet as its eigenfunction.5 pagesQuantum Physicstext