Bulk torsion fields in theories with large extra dimensions
arXiv:hep-ph/0110308 · doi:10.1103/PhysRevD.65.124021
Abstract
We study the consequences of spacetime torsion coexisting with gravity in the bulk in scenarios with large extra dimensions. Having linked torsion with the Kalb-Ramond antisymmetric tensor field arising in string theories, we examine its artifacts on the visible 3-brane when the extra dimensions are compactified. It is found that while torsion would have led to parity violation in a 4-dimensional framework, all parity violating effects disappear on the visible brane when the torsion originates in the bulk. However, such a scenario is found to have characteristics of its own, some of which can be phenomenologically significant.
10 pages, LaTex, some comments added. Accepted for publication in Physical Review D
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