English

On Evidence for Elastic Interactions in the Dark Sector

Cosmology and Nongalactic Astrophysics 2024-12-19 v2

Abstract

The increasing quality of cosmological data has revealed some tensions that could be signalling the necessity of incorporating new physics into our cosmological model. One particularly intriguing possibility is the existence of elastic interactions between dark matter and dark energy. Not only do these interactions provide a natural mechanism to relief cosmological tensions, but there is also compelling observational evidence for them, to the extent that a detection could even be claimed. We review the potential of these scenarios in relation to the cosmological tensions and discuss distinctive signatures that can be probed with future data, thus providing a smoking gun for these interactions.

Keywords

Cite

@article{arxiv.2410.18645,
  title  = {On Evidence for Elastic Interactions in the Dark Sector},
  author = {Jose Beltrán Jiménez and Dario Bettoni and David Figueruelo and Florencia A. Teppa Pannia},
  journal= {arXiv preprint arXiv:2410.18645},
  year   = {2024}
}

Comments

12 pages, 6 Figures. V2: Added references and minor modifications to match published version