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Chameleons on the racetrack

Journal of High Energy Physics (2013) 2013(8)
DOI: 10.1007/JHEP08(2013)059
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Abstract

We modify the ansatz for embedding chameleon scalars in string theory proposed in [1] by considering a racetrack superpotential with two KKLT-type exponentials e ia instead of one. This satisfies all experimental constraints, while also allowing for the chameleon to be light enough on cosmological scales to be phenomenologically interesting. © 2013 SISSA, Trieste, Italy.

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Nastase, H., & Weltman, A. (2013). Chameleons on the racetrack. Journal of High Energy Physics, 2013(8). https://doi.org/10.1007/JHEP08(2013)059

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