A proposal for covariant renormalizable field theory of gravity

Details A proposal for covariant renormalizable field theory of gravity A proposal for covariant renormalizable field theory of gravity

2010-04-21

arxiv.org/abs/1004.3613v4

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 6 pages, published version, mistypes are corrected, refs. are added

Scientific paper

The class of covariant gravity theories which have nice ultraviolet behavior and seem to be (super)-renormalizable is proposed. The apparent breaking of Lorentz invariance occurs due to the coupling with the effective fluid which is induced by Lagrange multiplier constrained scalar field. Spatially-flat FRW cosmology for such covariant field gravity may have accelerating solutions. Renormalizable versions of more complicated modified gravity which depends on Riemann and Ricci tensor squared may be constructed in the same way.

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