Brane f(R) gravity and the dark side of the universe

Details Brane f(R) gravity and the dark side of the universe Brane f(R) gravity and the dark side of the universe

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1178..131b&link_type=abstract

5TH INTERNATIONAL WORKSHOP ON THE DARK SIDE OF THE UNIVERSE. AIP Conference Proceedings, Volume 1178, pp. 131-137 (2009).

Mathematics

Logic

General Relativity, Redshift, Cosmology, Symmetry, Relativity And Gravitation, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies, Particle-Theory And Field-Theory Models Of The Early Universe, Symmetry And Conservation Laws

Scientific paper

We consider a brane world scenario in which the bulk action is assumed to have the form of a generic function of the Ricci scalar f(R) and derive the resulting Einstein field equation on the brane. In a constant curvature bulk a conserved geometric quantity appears in the field equations which can be associated with matter. We present spherically symmetric solutions which account for galaxy rotation curves in a specific form. Then cosmological solutions by assuming a specific form for f(R) are derived which can explain an accelerated expanding universe.

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