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arXiv · 1301.7120

Chameleons on the Racetrack

Horatiu Nastase·Amanda Weltman
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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 $e^{ia\varrho}$ 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.

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Horatiu Nastase, Amanda Weltman. 2013-01-30. Chameleons on the Racetrack. https://doi.org/10.1007/jhep08(2013)059

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