Light-front zero-mode contribution to the Ward Identity

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dc.contributor.authorSales, J. H. O.
dc.contributor.authorSuzuki, Alfredo Takashi [UNESP]
dc.contributor.institutionUniv Estadual Santa Cruz
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:08:32Z
dc.date.available2014-05-20T14:08:32Z
dc.date.issued2010-02-01
dc.description.abstractIn a covariant gauge we implicitly assume that the Green's function propagates information from one point of the space-time to another, so that the Green's function is responsible for the dynamics of the relativistic particle. In the light front form one would naively expect, that this feature would be preserved. In this manner, the fermionic field propagator can be split into a propagating piece and a non-propagating (contact) term. Since the latter (contact) one does not propagate information; and therefore, supposedly can be discarded with no harm to the field dynamics we wanted to know what would be the impact of dropping it off. To do that, we investigated its role in the Ward identity in the light front. Here we use the terminology Ward identity to identify the limiting case of photon's zero momentum transfer in the vertex from the more general Ward-Takahashi identity with nonzero momentum transfer.en
dc.description.affiliationUniv Estadual Santa Cruz, Dept Matemat, BR-45662000 Ilheus, BA, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, BR-01140070 São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, BR-01140070 São Paulo, Brazil
dc.format.extent211-214
dc.identifierhttp://dx.doi.org/10.1016/j.nuclphysbps.2010.02.031
dc.identifier.citationNuclear Physics B-proceedings Supplements. Amsterdam: Elsevier B.V., v. 199, p. 211-214, 2010.
dc.identifier.doi10.1016/j.nuclphysbps.2010.02.031
dc.identifier.issn0920-5632
dc.identifier.lattes7511139477883318
dc.identifier.urihttp://hdl.handle.net/11449/24015
dc.identifier.wosWOS:000283271500031
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofNuclear Physics B: Proceedings Supplements
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleLight-front zero-mode contribution to the Ward Identityen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes7511139477883318[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt

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