EntityQ28457887· pop 7· linked from 194 articlesghost fieldSign in to savefields without physical meaning to introduce mathematical consistencyConnectionspath integralEntityFaddeev–Popov ghostEntityStephen HawkingPersonquantum mechanicsEntityInternational Standard Book NumberEntitygeneral relativityEntityspecial relativityEntityelectromagnetismEntityphotonEntitydigital object identifierEntitystrong interactionEntityInternational Standard Serial NumberEntityweak interactionEntityLev LandauEntityneutrinoEntitybosonEntityStandard ModelEntitystring theoryEntityquantum field theoryEntityOCLC, Inc.EntityCategoriesQuantum field theory