2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/36632Quantum mechanical interference of wave functions leads to some difficulties if a probability density is considered as a source of gravity. We show that an introduction of a quantum energy-momentum tensor as a source term in Einstein equations can be consistent with general relativity if the gravitational waves are quantized.11 pages, LaTex fileGeneral Relativity and Quantum Cosmologytext