Autor(es): Mendonça, E. L. [UNESP] ; Schimidt Bittencourt, R. [UNESP]
Data: 2020
Identificador Persistente: http://hdl.handle.net/11449/199967
Origem: Oasisbr
Assunto(s): D=2+1; Higher-derivative; Singh–Hagen; Spin-3; Unitarity; D=2+1; D=2+1; Higher-derivative; Higher-derivative; Singh–Hagen; Singh–Hagen; Spin-3; Spin-3; Unitarity; Unitarity
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
The fourth order in derivatives New Massive Gravity model NMG, describes a massive spin-2 particle in D=2+1. At the linearized level a proof of unitarity necessarily implies that the generalization to higher dimensions includes non-unitary massless spin-2 modes. The linearized version of NMG is dual to the Fierz-Pauli model FP. Here we examine the unitarity of higher derivative spin-3 models, analogous to the NMG, dual to the Singh-Hagen model SH. We find that the same kind of restriction on the dimension of the space also happens in this case, and the models are physical only in D=2+1.
UNESP - Campus de Guaratinguetá - DFQ, CEP 12516-410
UNESP - Campus de Guaratinguetá - DFQ, CEP 12516-410
