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Higher-Order Gauss-Bonnet Cosmology

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arxiv 1304.5440 v3 pith:TINBGL4O submitted 2013-04-19 gr-qc hep-th

Salvatore Capozziello , Mauro Francaviglia , Andrey N. Makarenko This is my paper · ORCID
classification gr-qchep-th
keywords additionalgauss-bonnethigher-orderlagrangemattermodelspresenceallowed
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abstract

We study cosmological models derived from higher-order Gauss-Bonnet gravity $F(R,G)$ by using the Lagrange multiplier approach without assuming the presence of additional fields with the exception of standard perfect fluid matter. The presence of Lagrange multipliers reduces the number of allowed solutions. We need to introduce compatibility conditions of the FRW equations, which impose strict restrictions on the metric or require the introduction of additional exotic matter. Several classes of $F(R,G)$ models are generated and discussed.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The role of cosmological constant in f(R, G) gravity

    gr-qc 2019-08 reject novelty 4.0 of 10

    The authors claim that canonical quantization of Einstein-Hilbert plus Gauss-Bonnet squared gravity requires a cosmological constant to resolve contradictions, but the contradictions appear to follow from questionable...

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