{ "id": "2312.12493", "version": "v1", "published": "2023-12-19T18:42:32.000Z", "updated": "2023-12-19T18:42:32.000Z", "title": "The Hubble tension as a window on the gravitation of the dark matter sector", "authors": [ "Cyril Pitrou", "Jean-Philippe Uzan" ], "comment": "3 figures, 6 pages. arXiv admin note: text overlap with arXiv:2312.12408", "categories": [ "astro-ph.CO" ], "abstract": "A simple and minimal extension of the standard cosmological $\\Lambda$CDM model in which dark matter experiences an additional long-range scalar interaction is demonstrated to alleviate the long lasting Hubble-tension while letting primordial nucleosynthesis predictions unaffected and passing by construction all current local tests of general relativity. The theoretical formulation of this $\\Lambda\\beta$CDM model and its comparison to astrophysical observations are presented to prove its ability to fit existing data and potentially resolve the tension.", "revisions": [ { "version": "v1", "updated": "2023-12-19T18:42:32.000Z" } ], "analyses": { "keywords": [ "dark matter sector", "hubble tension", "gravitation", "cdm model", "additional long-range scalar interaction" ], "note": { "typesetting": "TeX", "pages": 6, "language": "en", "license": "arXiv", "status": "editable" } } }