Five-Dimensional f(R) Braneworld Models

Details Five-Dimensional f(R) Braneworld Models Five-Dimensional f(R) Braneworld Models

2011-07-11

arxiv.org/abs/1107.2017v2

Phys. Rev. D 84, 066011 (2011)

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, references updated, small modifications. Accepted for publication in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.84.066011

After incorporating the f(R) gravity into the general braneworld sum rules scope, it is shown that some particular class of warped five dimensional nonlinear braneworld models, which may be interesting for the hierarchy problem solution, still require a negative tension brane. For other classes of warp factors (suitable and not suitable for approaching the hierarchy problem) it is not necessary any negative brane tension in the compactification scheme. In this vein, it is argued that in the bulk f(R) gravity context, some types of warp factors may be useful for approaching the hierarchy problem and for evading the necessity of a negative brane tension in the compactification scheme.

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