Scale invariance, unimodular gravity and dark energy
arXiv:0809.3395 · doi:10.1016/j.physletb.2008.11.054
Abstract
We demonstrate that the combination of the ideas of unimodular gravity, scale invariance, and the existence of an exactly massless dilaton leads to the evolution of the universe supported by present observations: inflation in the past, followed by the radiation and matter dominated stages and accelerated expansion at present. All mass scales in this type of theories come from one and the same source.
9 pages, 1 figure, replaced with journal version
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Cited by in corpus (5)
- Quantum scale invariance, cosmological constant and hierarchy problem
- Realistic sterile neutrino dark matter with keV mass does not contradict cosmological bounds
- Quantum scale-invariant models as effective field theories
- Aspects of Infrared Modifications of Gravity
- Conformal invariance from non-conformal gravity