A natural theory of dark energy
arXiv:1912.04905 · doi:10.1103/PhysRevD.101.085012
Abstract
We propose a mechanism that generates a naturally light dark energy field (with Hubble scale mass), starting from a theory with exclusively high scale (Planckian) couplings. It is derived from the clockwork model, with scalar fields interacting among themselves as well as with a 4-form field strength. We explicitly embed our model in type IIA supergravity. We also give an alternative interpretation in a braneworld set-up.
arXiv commentPublished version. 12 pages
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