New brane solutions in higher order gravity

Details New brane solutions in higher order gravity New brane solutions in higher order gravity

2002-06-28

arxiv.org/abs/hep-th/0206254v2

Nucl.Phys. B645 (2002) 217-236

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, Latex, 3 figures; discussion of effective gravitational constant and of one type of solutions extended; references a

Scientific paper

10.1016/S0550-3213(02)00831-3

We consider the higher order gravity with dilaton and with the leading string theory corrections taken into account. The domain wall type solutions are investigated for arbitrary number of space-time dimensions. The explicit formulae for the fixed points and asymptotic behavior of generic solutions are given. We analyze and classify solutions with finite effective gravitational constant. There is a class of such solutions which have no singularities. We discuss in detail the relation between fine tuning and self tuning and clarify in which sense our solutions are fine-tuning free. The stability of such solutions is also discussed.

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