Kaluza-Klein Higher Derivative Induced Gravity

Details Kaluza-Klein Higher Derivative Induced Gravity Kaluza-Klein Higher Derivative Induced Gravity

2006-05-07

arxiv.org/abs/hep-th/0605078v2

Class.Quant.Grav.24:4295-4312,2007

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, typos/errors corrected, three additional appendices added

Scientific paper

10.1088/0264-9381/24/17/003

The existence and stability analysis of an inflationary solution in a $D+4$-dimensional anisotropic induced gravity is presented in this paper. Nontrivial conditions in the field equations are shown to be compatible with a cosmological model in which the 4-dimension external space evolves inflationary, while, the D-dimension internal one is static. In particular, only two additional constraints on the coupling constants are derived from the abundant field equations and perturbation equations. In addition, a compact formula for the non-redundant 4+D dimensional Friedmann equation is also derived for convenience. Possible implications are also discussed in this paper.

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