Optical Clocks RedefinedOptical Clocks Redefinedby Polarizabilitysignificantly.accuracy of optical clocksNegative-energy states enhance theAtomic PhysicsNew Insights into Optical Clocks and PolarizabilityResearch reveals the impact of negative-energy states on optical clock accuracy.2025-10-25T19:30:33+00:00 ― 4 min read