Cosmology of Theories beyond the SM;
dS vacua in string theory;
Supergravity Models;
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摘要:
We modify the ansatz for embedding chameleon scalars in string theory proposed in [1] by considering a racetrack superpotential with two KKLT-type exponentials eiaϱ 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.
机构:
Nelson Mandela Metropolitan Univ, Dept Zool, ZA-6031 Port Elizabeth, South AfricaNelson Mandela Metropolitan Univ, Dept Zool, ZA-6031 Port Elizabeth, South Africa
Carne, Liza
Measey, G. John
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Nelson Mandela Metropolitan Univ, Dept Zool, ZA-6031 Port Elizabeth, South AfricaNelson Mandela Metropolitan Univ, Dept Zool, ZA-6031 Port Elizabeth, South Africa