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Cosmological restrictions for two DGP branes in a bulk with compactified extra dimension

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arxiv 2012.10599 v1 pith:RQAG6NSR submitted 2020-12-19 hep-th gr-qc

Jairo Capilla-Valdepeña (1) , Rubén Cordero (1) , Felipe Maya-Ordóñez (2) ((1) Departamento de Física , ESFM del Instituto Politécnico Nacional , México , (2) UNITEC , México) This is my paper · ORCID
classification hep-thgr-qc
keywords branecosmologicalrestrictionsbranescompactifieddimensionequationextra
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We investigate the cosmological consequences of a two brane system embedded in a higher dimensional background spacetime with a compactified extra dimension described with an action that include the intrinsic curvature for each brane. We find that the dynamics of each brane is related to the other by means of cosmological restrictions that involve the scale factors, the equation of state parameters and the Hubble parameters of the two branes. We analyze the evolution of the scale factor and the equation of state parameter for the hidden brane when in the visible brane is present a cosmological constant, radiation or non-relativistic matter. The topological restrictions give rise to the cosmological scenarios without initial singularity, recollapsing and oscillating universes.

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