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Scalar–Tensor–Vector Modified Gravity in Light of the Planck 2018 Data

Perimeter Institute for Theoretical Physics, Waterloo, ON N2L 2Y5, Canada
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Academic Editors: Panayiotis Stavrinos and Emmanuel N. Saridakis
Universe 2021, 7(10), 358; https://doi.org/10.3390/universe7100358
Received: 1 September 2021 / Revised: 15 September 2021 / Accepted: 23 September 2021 / Published: 26 September 2021
(This article belongs to the Special Issue Modified Theories of Gravity and Cosmological Applications)
The recent data release by the Planck satellite collaboration presents a renewed challenge for modified theories of gravitation. Such theories must be capable of reproducing the observed angular power spectrum of the cosmic microwave background radiation. For modified theories of gravity, an added challenge lies in the fact that standard computational tools do not readily accommodate the features of a theory with a variable gravitational coupling coefficient. An alternative is to use less accurate but more easily modifiable semianalytical approximations to reproduce at least the qualitative features of the angular power spectrum. We extend a calculation that was used previously to demonstrate compatibility between the Scalar–Tensor–Vector–Gravity (STVG) theory, also known by the acronym MOG, and data from the Wilkinson Microwave Anisotropy Probe (WMAP) to show the consistency between the theory and the newly released Planck 2018 data. We find that within the limits of this approximation, the theory accurately reproduces the features of the angular power spectrum. View Full-Text
Keywords: cosmology:theory; large-scale structure of universe; gravitation cosmology:theory; large-scale structure of universe; gravitation
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MDPI and ACS Style

Moffat, J.W.; Toth, V. Scalar–Tensor–Vector Modified Gravity in Light of the Planck 2018 Data. Universe 2021, 7, 358. https://doi.org/10.3390/universe7100358

AMA Style

Moffat JW, Toth V. Scalar–Tensor–Vector Modified Gravity in Light of the Planck 2018 Data. Universe. 2021; 7(10):358. https://doi.org/10.3390/universe7100358

Chicago/Turabian Style

Moffat, John W., and Viktor Toth. 2021. "Scalar–Tensor–Vector Modified Gravity in Light of the Planck 2018 Data" Universe 7, no. 10: 358. https://doi.org/10.3390/universe7100358

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