KnowraVacuum energyLinked fromLinked fromThe 6 pages that link to Vacuum energy, each with the reason it gives.All 6Broader topic 1Related 5Cosmological constantRelated: A constant vacuum energy has the same gravitational effect as a cosmological constant.Zero-point energyRelated: It is a field-theoretic form of ground-state energy, though its absolute value raises separate issues.Cosmological constant problemBroader topic: Quantum-field calculations assign vacuum energy a value that appears to gravitate.Quantum fieldRelated: Calculations of field vacuum energy raise the cosmological constant problem.NaturalnessRelated: Its predicted and observed values frame the cosmological constant problem.Quantum vacuum stateRelated: Its gravitational significance raises the discrepancy between quantum estimates and cosmological observations.