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Quintessence models in Supergravity
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Scalar field models of quintessence typically require that the expectation value of the field today is of order the Planck mass, if we want them to explain the observed acceleration of the Universe. This suggests that we should be considering models in the context of supergravity. We discuss a particular class of supergravity models and analyze their behavior under different choices of the Kahler metric.
Forward citations
Cited by 2 Pith papers
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Dark Energy and Neutrino Flavor from the Weak Axion
The dark-energy scale is predicted from neutrino masses and PMNS mixing: the weak-axion Coleman-Weinberg potential lands at 1-4 meV for current neutrino data.
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DESI constraints on two-field quintessence with exponential potentials
A two-field exponential-potential quintessence model fits DESI+CMB+SnIa data with moderate Bayesian preference over ΛCDM and slope parameters λφ≈λχ≈1.
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