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dc.contributor.authorDalmazi, D.-
dc.contributor.authorDutra, Alvaro de Souza-
dc.contributor.authorHott, M.-
dc.identifier.citationPhysical Review D. College Pk: American Physical Soc, v. 67, n. 12, 6 p., 2003.-
dc.description.abstractHere we address the problem of bosonizing massive fermions without making expansions in the fermion masses in both massive QED(2) and QED(3) with N fermion flavors including also a Thirring coupling. We start from two-point correlators involving the U(1) fermionic current and the gauge field. From the tensor structure of those correlators we prove that the U(1) current must be identically conserved (topological) in the corresponding bosonized theory in both D=2 and D=3 dimensions. We find an effective generating functional in terms of bosonic fields which reproduces these two-point correlators and from that we obtain a map of the Lagrangian density (ψ) over bar (r)(ipartial derivative-m)psi(r) into a bosonic one in both dimensions. This map is nonlocal but it is independent of the electromagnetic and Thirring couplings, at least in the quadratic approximation for the fermionic determinant.en
dc.publisherAmerican Physical Soc-
dc.sourceWeb of Science-
dc.titlePerturbative bosonization from two-point correlation functionsen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUNESP, BR-12516410 Guaratingueta, SP, Brazil-
dc.description.affiliationUnespUNESP, BR-12516410 Guaratingueta, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofPhysical Review D-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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