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Elsevier, Nuclear Physics B, 1-2(644), p. 201-222, 2002

DOI: 10.1016/s0550-3213(02)00797-6

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Shortcuts for graviton propagation in a six-dimensional brane world model

Journal article published in 2002 by Elcio Abdalla, Adenauer Casali ORCID, Bertha Cuadros-Melgar
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We consider a six-dimensional brane world model with asymmetric warp factors for time and both extra spatial coordinates, y and z. 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.