2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/100644The original computation did not take into account the initial phase shift. A corrected computation, included as section II in the revised version of gr-qc/0407039, still gives a term proportional to the derivative of the signal, qualitatively confirming the original result.This paper has been withdrawnGeneral Relativity and Quantum Cosmologytext