2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/136750In linearized quantum gravity, a shift of the average energy-momentum can be compensated by a shift of the average gravitational field. This allows a renormalization scheme that naturally removes the contribution of quantum vacuum fluctuations to the cosmological constant, solving the old cosmological-constant problem for weak gravitational fields.5 pagesGeneral Relativity and Quantum CosmologyHigh Energy Physics - Theorytext