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MINI REVIEW article
Front. Astron. Space Sci.
Sec. Cosmology
Volume 11 - 2024 |
doi: 10.3389/fspas.2024.1453806
This article is part of the Research Topic Frontiers in Astronomy and Space Sciences: A Decade of Discovery and Advancement - 10th Anniversary Conference View all articles
Constraining minimally extended Varying Speed Of Light (meVSL) Model Using Time Dilations
Provisionally accepted- College of Science, Sungkyunkwan University, Suwon, Seoul, Republic of Korea
The Robertson-Walker metric, derived from the cosmological principle and Weyl's postulate, characterizes the ΛCDM cosmological model. Traditionally, in this framework, the assumption of a constant speed of light leads to specific cosmological time dilation. However, because the Robertson-Walker metric lacks a way to define time dilation, the speed of light, like wavelength and temperature, may vary with cosmic time. The minimally extended varying speed of light (meVSL) model fits standard cosmological observations while considering the evolution of physical constants. One model-independent test for the meVSL model is cosmological time dilation. However, current data cannot distinguish between the meVSL model and the standard one.
Keywords: Varying speed of light, Cosmological time dilation, supernovae, cosmological redshift, standard model cosmology
Received: 24 Jun 2024; Accepted: 09 Jul 2024.
Copyright: © 2024 Lee. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Seokcheon Lee, College of Science, Sungkyunkwan University, Suwon, 16419, Seoul, Republic of Korea
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