par Sonego, Sebastiano;Faraoni, Valerio
Référence Classical and quantum gravity, 10, 6, page (1185-1187), 015
Publication Publié, 1993
Article révisé par les pairs
Résumé : By applying the equivalence principle to the propagation of scalar waves in a curved spacetime, the value 1/6 for the coupling constant between the field and the Ricci scalar is derived. No coupling to higher-order scalars constructed from the Riemann tensor is allowed.