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hep-th2005
Dark Matter and Dark Energy from a single scalar field
Roberto Mainini, Loris Colombo, Silvio A. Bonometto
The strong CP problem was solved by Peccei & Quinn by introducing axions, which are a viable candidate for DM. Here the PQ approach is modified so to yield also Dark Energy (DE), w…
astro-ph2005★ 33 cited
Dark Matter and Dark Energy from a single scalar field and CMB data
Roberto Mainini, Loris P. L. Colombo, Silvio A. Bonometto
Axions are likely to be the Dark Matter (DM) that cosmological data require. They arise in the Peccei Quinn solution of the strong CP problem. In a previous work we showed that the…