Accelerated cosmic expansion from Gauss-Bonnet curvature corrections, nonminimal coupling, and infrared second-order gauge gravity

Details Accelerated cosmic expansion from Gauss-Bonnet curvature corrections, nonminimal coupling, and infrared second-order gauge gravity Accelerated cosmic expansion from Gauss-Bonnet curvature corrections, nonminimal coupling, and infrared second-order gauge gravity

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap%26ss.325..149e&link_type=abstract

Astrophysics and Space Science, Volume 325, Issue 2, pp.149-152

Astronomy and Astrophysics

Astrophysics

10

Scientific paper

We investigate the cosmological dynamics of a four-dimensional Friedmann-Robertson-Walker homogenous and isotropic universe from Gauss-Bonnet higher-order curvature corrections, together with nonminimal coupling and with an infrared effective action of gravity based on a second-order gauge formulation for the Lorentz group. We study the evolution of the universe in such a model, identifying its key properties. Many new interesting features are revealed and discussed in some detail.

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