Document Type
Article
Publication Date
2024
DOI
10.1088/1402-4896/ad570f
Publication Title
Physica Scripta
Volume
99
Issue
7
Pages
075043 (1-9)
Abstract
One of the most important problems vexing the ΛCDM cosmological model is the Hubble tension. It arises from the fact that measurements of the present value of the Hubble parameter performed with low-redshift quantities, e.g. the Type IA supernova, tend to yield larger values than measurements from quantities originating at high-redshift, e.g. fits of cosmic microwave background radiation. It is becoming likely that the discrepancy, currently standing at 5σ, is not due to systematic errors in the measurements. Here we explore whether the self-interaction of gravitational fields in General Relativity, which are traditionally neglected when studying the evolution of the Universe, can contribute to explaining the tension. We find that with field self-interaction accounted for, both low- and high-redshift data are simultaneously well-fitted, thereby showing that gravitational self-interaction yield consistent H0 values when inferred from SnIA and cosmic microwave background observations. Crucially, this is achieved without introducing additional parameters.
Rights
© 2024 The Authors.
Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Data Availability
Article states: "All data that support the findings of this study are included within the article (and any supplementary files)."
Original Publication Citation
Sargent, C., Clark, W., Deur, A., & Terzić, B. (2024). Hubble tension and gravitational self-interaction. Physica Scripta, 99(7), 1-9, Article 075043. https://doi.org/10.1088/1402-4896/ad570f
ORCID
0000-0003-3217-9984 (Sargent), 0009-0006-8571-3465 (Clark), 0000-0002-2203-7723 (Deur), 0000-0002-9646-8155 (Terzic)
Repository Citation
Sargent, Corey; Clark, William; Deur, Alexander; and Terzić, Balša, "Hubble Tension and Gravitational Self-Interaction" (2024). Physics Faculty Publications. 862.
https://digitalcommons.odu.edu/physics_fac_pubs/862