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1,584 claims from 981 papers are on the record. 46 have been checked so far; the other 1,538 have no check with a result yet.

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Keyword: fifth force ×Clear all

1 claim from 1 paper

1. Physics and Astronomy › Cosmology and Gravitation Theories

   Assessing Cosmological Evidence for Nonminimal Coupling

   Wolf, García-García, Anton and Ferreira · Physical Review Letters · 2025

   The paper assesses cosmological evidence for quintessence and finds the data favour a concave potential and a scalar field non-minimally coupled to gravity, which would imply fifth forces we do not observe.

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   1. UncheckedIf quintessence drives cosmic acceleration, the data favour a concave potential energy, meaning a negative curvature, m² = d²V/dφ² < 0.“We find that, if the accelerated expansion is driven by quintessence, the data favour a potential energy $V(\varphi)$ that is concave, i.e., $m^2=d^2V/d\varphi^2<0$.”