Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-03-06
Phys.Lett. B506 (2001) 167-176
Physics
High Energy Physics
High Energy Physics - Theory
12 pages, revtex; a minor misprint corrected (to appear in Phys. Lett. B)
Scientific paper
10.1016/S0370-2693(01)00411-7
We construct a solitonic 3-brane solution in the 6-dimensional Einstein-Hilbert-Gauss-Bonnet theory with a (negative) cosmological term. This solitonic brane world is delta-function-like. Near the brane the metric is that for a product of the 4-dimensional flat Minkowski space with a 2-dimensional ``wedge'' with a deficit angle (which depends on the solitonic brane tension). Far from the brane the metric approaches that for a product of the 5-dimensional AdS space and a circle. This solitonic solution exists for a special value of the Gauss-Bonnet coupling (for which we also have a delta-function-like codimension-1 solitonic solution), and the solitonic brane tension can take values in a continuous range. We discuss various properties of this solitonic brane world, including coupling between gravity and matter localized on the brane.
Corradini Olindo
Kakushadze Zurab
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