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Open Access item A proposal for covariant renormalizable field theory of gravity

Authors:Nojiri, Shin'ichi
Odintsov, Sergei D.
Keywords:Quantum gravity, String theory
Issue Date:12-Jul-2010
Publisher:Elsevier
Citation:Physics Letters - Section B 691 (1) : 60-64 (2010)
Abstract: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.
Publisher version (URL):http://dx.doi.org/10.1016/j.physletb.2010.06.007
URI:http://hdl.handle.net/10261/38304
ISSN:0370-2693
E-ISSNmetadata.dc.identifier.doi = DOI:1873-2445
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Appears in Collections:(ICE) Artículos

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