Varying Constants in Brane World Scenarios
High Energy Physics - Phenomenology
2009-11-07 v2 General Relativity and Quantum Cosmology
High Energy Physics - Theory
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.
Keywords
Cite
@article{arxiv.hep-ph/0210057,
title = {Varying Constants in Brane World Scenarios},
author = {Ph. Brax and C. van de Bruck and A. -C. Davis and C. S. Rhodes},
journal= {arXiv preprint arXiv:hep-ph/0210057},
year = {2009}
}
Comments
5 pages, LaTeX, 5 figures; based on a talk given by C. van de Bruck at JENAM 2002, Porto; typos corrected