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Time variation of fundamental constants, primordial nucleosynthesis, and the size of extra dimensions
Abstract
In theories with extra dimensions, the dependence of fundamental constants on the volume of the compact space allows one to use primordial nucleosynthesis to probe the structure of compact dimensions during the first few minutes after the big bang. Requiring the yield of primordial sup4He to be within acceptable limits, we find that in ten-dimensional superstring models the size of the extra dimensions during primordial nucleosynthesis must have been within 0.5% of their current value, while in Kaluza-Klein models the extra dimensions must have been within 1% of their current value.
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Citations
Cites
Direct test of the constancy of fundamental nuclear constants
SHLYAKHTER, A. I. (1976) · Nature · doi:10.1038/264340a0 · Cited by 269
Time Variation of the Charge of the Proton
Dyson, F. J. (1967) · Physical Review Letters · doi:10.1103/physrevlett.19.1291 · Cited by 76
Cited by
The fundamental constants and their variation: observational and theoretical status
Uzan, J.-P. (2003) · Reviews of Modern Physics · doi:10.1103/revmodphys.75.403 · Cited by 1,162
Pre-big-bang in string cosmology
Gasperini, M., & Veneziano, G. (1993) · Astroparticle Physics · doi:10.1016/0927-6505(93)90017-8 · Cited by 980
Further Evidence for Cosmological Evolution of the Fine Structure Constant
Webb, J. K., Murphy, M. T., Flambaum, V. V., Dzuba, V. A., Barrow, J. D., Churchill, C. W., Prochaska, J. X., & Wolfe, A. M. (2001) · Physical Review Letters · doi:10.1103/physrevlett.87.091301 · Cited by 824
Further evidence for a variable fine-structure constant from Keck/HIRES QSO absorption spectra
Murphy, M. T., Webb, J. K., & Flambaum, V. V. (2003) · Monthly Notices of the Royal Astronomical Society · doi:10.1046/j.1365-8711.2003.06970.x · Cited by 514
Primordial nucleosynthesis: From precision cosmology to fundamental physics
Iocco, F., Mangano, G., Miele, G., Pisanti, O., & Serpico, P. D. (2009) · Physics Reports · doi:10.1016/j.physrep.2009.02.002 · Cited by 472
Metadata
- Authors
- Kolb, E. W., Perry, M. J., & Walker, T. P.
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 1986-02-15
- Volume
- 33
- Issue
- 4
- Pages
- 869-871
- ISSN
- 0556-2821 (ISSN-L)
- OpenAlex
- W2166972589
- Cited by
- 185
- References
- 2
- FWCI
- 9.10
- Type
- journal article
- Language
- en
- Open access
- closed
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