Chameleons on the racetrack
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Data
2013-09-30
Autores
Nastase, Horatiu [UNESP]
Weltman, Amanda
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Resumo
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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Palavras-chave
Cosmology of Theories beyond the SM, dS vacua in string theory, Supergravity Models
Como citar
Journal of High Energy Physics, v. 2013, n. 8, 2013.