MG13 - Talk detail |
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Participant |
Cordero , Ruben | |||||||
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Institution |
Instituto Politecnico Nacional - Avenida Instituto Politecnico Nacional 2500 - Mexico City - Distrito Federal - Mexico | |||||||
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Session |
AT4 |
Accepted |
Yes |
Order |
8 |
Time |
15' | |
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Talk |
Oral abstract |
Title |
Generalized geodetic brane cosmology | |||||
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Abstract |
We explore the cosmological implications provided by the geodetic brane gravity action corrected by an extrinsic curvature brane term describing a codimension-one brane embedded in a 5D fixed Minkowski spacetime. Using the Friedmann-Robertson-Walker metric, we obtain a generalized Friedmann equation characterizing the associated cosmological evolution . We observe that, when the radiation-like energy contribution from the extra dimension is vanishing, this effective model leads to a self-(non-self)-accelerated expansion of the universe in dependence on the nature of the parameter $\beta$ associated to the correction, which resembles an analogous behavior in the DGP brane cosmology. Several possibilities in the description for the cosmic evolution of this model are analyzed. |
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