Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2016/02/004
Keywords
gravity; modified gravity; particle physics - cosmology connection
Funding
- COLCIENCIAS - ECOS NORD [RC 0899-2012]
- COLCIENCIAS [110656933958 RC 0384-2013, 123365843539 RC FP44842-081-2014]
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We revisit the most general theory for a massive vector field with derivative self interactions, extending previous works on the subject to account for terms having trivial total derivative interactions for the longitudinal mode. In the flat spacetime (Minkowski) case, we obtain all the possible terms containing products of up to five first-order derivatives of the vector field, and provide a conjecture about higher-order terms. Rendering the metric dynamical, we covariantize the results and add all possible terms implying curvature.
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