Ambiguities in the effective action in Lorentz-violating gravity
Contribuinte(s) |
UNIVERSIDADE DE SÃO PAULO |
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Data(s) |
18/04/2012
18/04/2012
2008
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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 |
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 |