Perturbative bosonization from two-point correlation functions

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dc.contributor.authorDalmazi, D.
dc.contributor.authorDutra, Alvaro de Souza [UNESP]
dc.contributor.authorHott, M.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:27:04Z
dc.date.available2014-05-20T15:27:04Z
dc.date.issued2003-06-15
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.description.affiliationUNESP, BR-12516410 Guaratingueta, SP, Brazil
dc.description.affiliationUnespUNESP, BR-12516410 Guaratingueta, SP, Brazil
dc.format.extent6
dc.identifierhttp://dx.doi.org/10.1103/PhysRevD.67.125012
dc.identifier.citationPhysical Review D. College Pk: American Physical Soc, v. 67, n. 12, 6 p., 2003.
dc.identifier.doi10.1103/PhysRevD.67.125012
dc.identifier.fileWOS000184075300074.pdf
dc.identifier.issn0556-2821
dc.identifier.lattes8279393876415608
dc.identifier.lattes6314084638411003
dc.identifier.urihttp://hdl.handle.net/11449/37119
dc.identifier.wosWOS:000184075300074
dc.language.isoeng
dc.publisherAmerican Physical Soc
dc.relation.ispartofPhysical Review D
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titlePerturbative bosonization from two-point correlation functionsen
dc.typeArtigo
dcterms.licensehttp://publish.aps.org/authors/transfer-of-copyright-agreement
dcterms.rightsHolderAmerican Physical Soc
unesp.author.lattes8279393876415608
unesp.author.lattes6314084638411003[2]
unesp.author.orcid0000-0003-3027-1066[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Guaratinguetápt
unesp.departmentFísica e Química - FEGpt

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Guaratinguetá - FEG - Faculdade de Engenharia e Ciências