On Existence of Self-Tuning Solutions in Static Braneworlds without Singularities

Details On Existence of Self-Tuning Solutions in Static Braneworlds without Singularities On Existence of Self-Tuning Solutions in Static Braneworlds without Singularities

2007-12-07

arxiv.org/abs/0712.1136v3

JHEP 0802:104,2008

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, JHEP style, minor corrections, metric with Lifshitz scaling added

Scientific paper

10.1088/1126-6708/2008/02/104

A static self-tuning SO(3)xZ_2 symmetric and translation invariant braneworld setup with flat brane is considered. We discuss the null energy conditions (NEC) for matter on the brane and in the bulk and prove that for the static regular background with broken Lorentz invariance the NEC and positiveness of the total energy density on the brane and NEC in the bulk cannot be satisfied simultaneously. Then we give some examples and elaborate some special cases. For instance, we provide a macroscopic solution for a background with Lifshitz scaling.

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