Abstract
Higher-dimensional theories imply that some constants, such as the gravitational constant and the strength of the gauge-couplings, are not fundamental constants. Instead they are related to the sizes of the extra-dimensional space, which are moduli fields in the four-dimensional effective theory. We study the cosmological evolution of the moduli fields appearing in brane world scenarios and discuss the implications for varying constants.
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Brax, P., van de Bruck, C., Davis, AC. et al. Varying Constants in Brane World Scenarios. Astrophysics and Space Science 283, 627–632 (2003). https://doi.org/10.1023/A:1022543206870
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DOI: https://doi.org/10.1023/A:1022543206870