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Spacetime noncommutativity in models with warped extradimensions

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Abstract

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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Authors and Affiliations

  1. Institut für Theoretische Physik und Astrophysik, Universität Würzburg, Am Hubland, 97074, Würzburg, Germany

    Thorsten Ohl, Alexander Schenkel & Christoph F. Uhlemann

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  1. Thorsten Ohl
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  2. Alexander Schenkel
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  3. Christoph F. Uhlemann
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Correspondence to Christoph F. Uhlemann.

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ArXiv ePrint: 1002.2884

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Ohl, T., Schenkel, A. & Uhlemann, C.F. Spacetime noncommutativity in models with warped extradimensions. J. High Energ. Phys. 2010, 29 (2010). https://doi.org/10.1007/JHEP07(2010)029

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  • DOI: https://doi.org/10.1007/JHEP07(2010)029

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