Brane f(R) gravity and the dark side of the universe
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 b...
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| Veröffentlicht in: | 5th International Workshop on The Dark Side Of The Universe 2009-01, Vol.1178 (1), p.131-137 |
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| container_title | 5th International Workshop on The Dark Side Of The Universe |
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| creator | Borzou, A Sepangi, H R Shahidi, S Yousefi, R |
| description | 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. |
| doi_str_mv | 10.1063/1.3264547 |
| format | Article |
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| ispartof | 5th International Workshop on The Dark Side Of The Universe, 2009-01, Vol.1178 (1), p.131-137 |
| issn | 0094-243X 1551-7616 |
| language | eng |
| recordid | cdi_osti_scitechconnect_21322949 |
| source | AIP Journals Complete |
| subjects | ACTION INTEGRAL ASTROPHYSICS, COSMOLOGY AND ASTRONOMY COSMOLOGY EINSTEIN FIELD EQUATIONS GALAXIES GENERAL RELATIVITY THEORY GEOMETRY GRAVITATION MATHEMATICAL SOLUTIONS PHYSICS OF ELEMENTARY PARTICLES AND FIELDS RED SHIFT ROTATION SCALARS SYMMETRY UNIVERSE |
| title | Brane f(R) gravity and the dark side of the universe |
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