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General Relativity and Gravitation

, Volume 38, Issue 9, pp 1367–1377 | Cite as

Modified gravity on the brane and dark energy

Research Article

Abstract

We analyze the dynamics of an AdS5 braneworld with matter fields when gravity is allowed to deviate from the Einstein form on the brane. We consider exact five-dimensional warped solutions which are associated with conformal bulk fields of weight –4 and describe on the brane the following three dynamics: those of inhomogeneous dust, of generalized dark radiation, and of homogeneous polytropic dark energy. We show that, with modified gravity on the brane, the existence of such dynamical geometries requires the presence of non-conformal matter fields confined to the brane.

Keywords

Dark Energy Brane Tension Conformal Matter Visible Brane Bulk Cosmological Constant 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  1. 1.Instituto de Ciencias del Espacio (CSIC) & Institut d’Estudis Espacials de Catalunya (IEEC/CSIC)Bellaterra (Barcelona)Spain
  2. 2.Centro de Electrónica, Optoelectrónica e Telecomunicações (CEOT), Faculdade de Ciências e TecnologiaUniversidade do AlgarveFaroPortugal

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