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Constraints from Big Bang Nucleosynthesis on a Time-Varying Cosmological Constant

Published online by Cambridge University Press:  25 May 2016

J. A. S. Lima
Affiliation:
1Departamento de Física-UFRN, CP 1641, 59072-970 Natal, RN-Brasil
J. M. F. Maia
Affiliation:
1Departamento de Física-UFRN, CP 1641, 59072-970 Natal, RN-Brasil 2Instituto de Física-USP, CP 66318, 05389-970 São Paulo, SP-Brasil
N. Pires
Affiliation:
1Departamento de Física-UFRN, CP 1641, 59072-970 Natal, RN-Brasil

Abstract

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The limits from big bang nucleosynthesis on a class of models with time-varying A-term are reexamined. In particular, it is discussed how the stringent bounds previously derived may be relaxed.

Type
2. Production and Destruction of the Elements
Copyright
Copyright © Astronomical Society of the Pacific 2000 

References

Birkel, M. & Sarkar, S. 1997, Astropart. Phys., 6, 197.CrossRefGoogle Scholar
Freedman, W. L. 2000, Phys. Rep., in press.CrossRefGoogle Scholar
Kawano, L. 1992, Preprint FERMILAB-PUB-92/04-A.Google Scholar
Lima, J. A. S. & Maia, J. M. F. 1994, Phys. Rev. D, 49, 5597.CrossRefGoogle Scholar
Lima, J. A. S. & Trodden, M. 1996, Phys. Rev. D, 53, 4280.CrossRefGoogle Scholar
Molaro, P. 1997, P. A. S. P. Conference Series, 126, 103.Google Scholar
Overduin, F. M. & Cooperstock, F. I. 1998, Phys. Rev. D, 58, 043506.CrossRefGoogle Scholar