Interacting dark matter and cosmic acceleration

Aug 27, 2020
11 pages
Published in:
  • Eur.Phys.J.C 80 (2020) 9, 862
  • Published: Sep 18, 2020
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Abstract: (Springer)
We study the effect of an explicit interaction between two scalar fields components describing dark matter in the context of a recent proposal framework for interaction. We find that, even assuming a very small coupling, it is sufficient to explain the observational effects of a cosmological constant, and also overcome the problems of the Λ\Lambda CDM model without assuming an exotic dark energy.
Note:
  • 11 pages, 6 figures. arXiv admin note: text overlap with arXiv:1507.03800 by other authors