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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 

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