Primordial nucleosynthesis in inhomogeneous cosmologies Omega = 1 with baryons

Details Primordial nucleosynthesis in inhomogeneous cosmologies Omega = 1 with baryons Primordial nucleosynthesis in inhomogeneous cosmologies Omega = 1 with baryons

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...309l...1s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 309, Oct. 1, 1986, p. L1-L4.

Other

59

Abundance, Astronomical Models, Baryons, Big Bang Cosmology, Inhomogeneity, Nuclear Fusion, Dark Matter, Density Distribution, Galactic Evolution

Scientific paper

The authors consider the constraints on Ω from primordial nucleosynthesis in inhomogeneous cosmologies. They find that allowance for isothermal fluctuations significantly weakens the upper bound on the average value of Ω derived from the standard big bang. Under the plausible additional assumption that regions of high baryon density are preferentially absorbed into cold dark matter, the constraints from primordial nucleosynthesis can be satisfied for large values of Ω, including Ω = 1.

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