<正>Byusingφ-mappingmethod,wediscussthetopologicalstructureoftheself-dualitysolutioninJackiw-Pimodelintermsofgaugepotentialdecomposition.WesetuprelationshipbetweenChern-Simonsvortexsolutionandtopologicalnumber,whichisdeterminedbyHopfindexandBrouwerdegree.Wealsogivethequantizationoffluxinthisease.Then,westudytheangularmomentumofthevortex,whichcanbeexpressedintermsof,theflux.
