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dc.contributor.authorAccioly, A.-
dc.contributor.authorMukai, H.-
dc.contributor.authorAzeredo, A.-
dc.identifier.citationJournal of Physics A-mathematical and General. Bristol: Iop Publishing Ltd, v. 34, n. 36, p. 7213-7219, 2001.-
dc.description.abstractThree-dimensional quadratic gravity, unlike general relativity in (2+1)D, is dynamically nontrivial and has a well behaved nonrelativistic potential. Here we analyse the changes that occur when a topological Chem-Simons term is added to this theory. It is found that the harmless massive scalar mode of the latter gives rise to a troublesome massive spin-0 ghost, while the massive spin-2 ghost is replaced by two massive physical particles both of spin 2. We also found that light deflection does not have the 'wrong sign' such as in the framework of three-dimensional quadratic gravity.en
dc.publisherIop Publishing Ltd-
dc.sourceWeb of Science-
dc.titleQuadratic gravity in (2+1)D with a topological Chern-Simons termen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade Estadual de Maringá (UEM)-
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, SP, Brazil-
dc.description.affiliationFundação Univ estadual Maringa, Dept Fis, BR-87020900 Maringa, Parana, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Physics A: Mathematical and General-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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