Gravity anomaly from laboratory experiments to astrophysics
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866915872213303296 |
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| author | Scarpa, Riccardo Falomo, Renato Treves, Aldo |
| author_facet | Scarpa, Riccardo Falomo, Renato Treves, Aldo |
| contents | Modifications to Newtonian dynamics at low accelerations have long been proposed as an alternative to dark matter to explain galaxy rotation curves. More recently, similar corrections have been invoked to interpret anomalies in Cavendish-type laboratory experiments and in the dynamics of wide binary stars, although the latter remain affected by ongoing observational debate. We show that, if deviations from Newtonian gravity occur in the low-acceleration regime, the available data are broadly consistent with a MOND-like interpretation. In this framework, wide binary systems appear to extend the Tully-Fisher relation, well established for galaxies, to much smaller mass scales. Taken together, departures from Newtonian predictions at low accelerations in galaxies, wide binaries, and laboratory experiments may point to a common physical scenario. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2603_17770 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Gravity anomaly from laboratory experiments to astrophysics Scarpa, Riccardo Falomo, Renato Treves, Aldo Astrophysics of Galaxies Modifications to Newtonian dynamics at low accelerations have long been proposed as an alternative to dark matter to explain galaxy rotation curves. More recently, similar corrections have been invoked to interpret anomalies in Cavendish-type laboratory experiments and in the dynamics of wide binary stars, although the latter remain affected by ongoing observational debate. We show that, if deviations from Newtonian gravity occur in the low-acceleration regime, the available data are broadly consistent with a MOND-like interpretation. In this framework, wide binary systems appear to extend the Tully-Fisher relation, well established for galaxies, to much smaller mass scales. Taken together, departures from Newtonian predictions at low accelerations in galaxies, wide binaries, and laboratory experiments may point to a common physical scenario. |
| title | Gravity anomaly from laboratory experiments to astrophysics |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2603.17770 |