EntityQ400083· pop 29· linked from 103 articlesAharonov–Bohm effectSign in to saveelectromagnetic quantum-mechanical effect in regions of zero magnetic and electric fieldConnectionsgauge fixingEntityChen-ning YangEntitysuperconductivityEntityphase changeEntitypath integralEntityelectromagnetic four-potentialEntitygeometric phaseEntitycurvature formEntitymathematicsEntityphilosophyEntityforceEntityquantum mechanicsEntityelectronEntitygasEntityInternational Standard Book NumberEntityJames Clerk MaxwellEntityInternational System of UnitsEntityRichard FeynmanEntityrealityEntityliquidEntityCategoriesMesoscopic physicsPhysical phenomenaQuantum mechanics