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Distance-duality in theories with a nonminimal coupling to gravity
Physical Review D  (IF5.296),  Pub Date : 2021-10-21, DOI: 10.1103/physrevd.104.084079
R. P. L. Azevedo, P. P. Avelino

We show that gravitational theories with a nonminimal coupling (NMC) to the matter fields lead to a violation of Etherington’s distance-duality relation, which relates the luminosity and angular-diameter distances. We derive constraints on power-law and exponential NMC models using existing measurements of type Ia supernovae and baryon acoustic oscillations throughout the redshift range 0<z<1.5. These complement previous constraints derived from cosmic-microwave background radiation and big bang nucleosynthesis data.