Constraints on Brans-Dicke cosmology with a varying Λ term due to the big-bang nucleosynthesis and WMAP

Details Constraints on Brans-Dicke cosmology with a varying Λ term due to the big-bang nucleosynthesis and WMAP Constraints on Brans-Dicke cosmology with a varying Λ term due to the big-bang nucleosynthesis and WMAP

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..847..449n&link_type=abstract

ORIGIN OF MATTER AND EVOLUTION OF GALAXIES: International Symposium on Origin of Matter and Evolution of Galaxies 2005: New Hori

Astronomy and Astrophysics

Astrophysics

3

Big Bang Nucleosynthesis, Origin, Formation, And Abundances Of The Elements

Scientific paper

We investigate the big-bang nucleosynthesis (BBN) in a Brans-Dicke model with a varying Λ term. We find that the cosmic expansion rate differs appreciably from that of the Friedmann model during the BBN epoch . The produced abundances of 4He, D, and 7Li are consistent with both the observed ones and the baryon density obtained from WMAP.

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