Modified gravity inspired DGP brane cosmology

Details Modified gravity inspired DGP brane cosmology Modified gravity inspired DGP brane cosmology

2006-10-22

arxiv.org/abs/gr-qc/0610107v2

Phys.Lett.B643:76-80,2006

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, to appear in PLB

Scientific paper

10.1016/j.physletb.2006.10.029

We consider a DGP brane scenario where a scalar field is present on the brane through the introduction of a scalar potential, itself motivated by the notion of modified gravity. This theory predicts that the mass appearing in the gravitational potential is modified by the addition of the mass of the scalar field. The cosmological implications that such a scenario entails are examined and shown to be consistent with a universe expanding with power-law acceleration.

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