Ambiguities in the effective action in Lorentz-violating gravity


Autoria(s): Gomes, Marcelo Otavio Caminha; Nascimento, Tiago Homero Mariz do; Nascimento, Jose Roberto Soares do; Passos, Eduardo Marcos Rodrigues dos; Petrov, Albert; Silva, Adilson Jose da
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

18/04/2012

18/04/2012

2008

Resumo

We investigate the occurrence of ambiguities for the Lorentz-violating gravitational Chern-Simons term. It turns out that this term is accompanied by a coefficient depending on an undetermined parameter, due to an arbitrariness in the choice of the conserved current.

Identificador

PHYSICAL REVIEW D, v.78, n.2, 2008

1550-7998

http://producao.usp.br/handle/BDPI/16175

10.1103/PhysRevD.78.025029

http://dx.doi.org/10.1103/PhysRevD.78.025029

Idioma(s)

eng

Publicador

AMER PHYSICAL SOC

Relação

Physical Review D

Direitos

restrictedAccess

Copyright AMER PHYSICAL SOC

Palavras-Chave #EXPANSION #Astronomy & Astrophysics #Physics, Particles & Fields
Tipo

article

original article

publishedVersion