Spacetime Noncommutativity in Models with Warped Extradimensions

Details Spacetime Noncommutativity in Models with Warped Extradimensions Spacetime Noncommutativity in Models with Warped Extradimensions

2010-02-15

arxiv.org/abs/1002.2884v2

JHEP07(2010)029

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, LaTeX, pdf figures included, to appear in JHEP

Scientific paper

10.1007/JHEP07(2010)029

We construct consistent noncommutative (NC) deformations of the Randall-Sundrum spacetime that solve the NC Einstein equations with a non-trivial Poisson tensor depending on the fifth coordinate. In a class of these deformations where the Poisson tensor is exponentially localized on one of the branes (the NC-brane), we study the effects on bulk particles in terms of Lorentz-violating operators induced by NC-brane interactions. We sketch two models in which massive bulk particles mediate NC effects to an almost-commutative SM-brane, such that observables at high energy colliders are enhanced with respect to low energy and astrophysical observables.

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