Testing Modified Gravity theory (MOG) with Type Ia Supernovae, Cosmic Chronometers and Baryon Acoustic Oscillations

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Published 6 July 2020 • © 2020 IOP Publishing Ltd and Sissa Medialab
, , Citation Carolina Negrelli et al JCAP07(2020)015 DOI 10.1088/1475-7516/2020/07/015

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1 Grupo de Astrofísica, Relatividad y Cosmología, Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque S/N 1900, La Plata, Argentina

2 CONICET, Godoy Cruz 2290, Ciudad Autónoma de Buenos Aires 1425, Argentina

3 Departamento de Física and IFIBA, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria—Pab. I, Buenos Aires 1428, Argentina

Dates

  1. Received 30 April 2020
  2. Accepted 28 May 2020
  3. Published

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1475-7516/2020/07/015

Abstract

We analyse the MOdified Gravity (MOG) theory, proposed by Moffat, in a cosmological context. We use data from Type Ia Supernovae (SNe Ia), Baryon Acoustic Oscillations (BAO) and Cosmic Chronometers (CC) to test MOG predictions. For this, we perform χ2 tests considering fixed values of H0 and VG, the self-interaction potential of one of the scalar fields in the theory. Our results show that the MOG theory is in agreement with all data sets for some particular values of H0 and VG, being the BAO data set the most powerful tool to test MOG predictions, due to its constraining power.

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10.1088/1475-7516/2020/07/015