Shortcuts for Graviton Propagation in a Six Dimensional Brane World Model

preprint2002arXivOpen access

Abstract

We consider a six dimensional brane world model with asymmetric warp factors for time and both extra spatial coordinates, yy and zz. We derive the set of differential equations governing the shortest graviton path and numerically solve it for AdS-Schwarzschild and AdS-Reissner-Nordström bulks. In both cases we derive a set of conditions for the existence of shortcuts in bulks with shielded singularities and show some examples of shortcuts obtained under these conditions. Consequences are discussed.

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