Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...488...14q&link_type=abstract
Astrophysical Journal v.488, p.14
Astronomy and Astrophysics
Astronomy
13
Cosmology: Theory, Cosmology: Dark Matter, Cosmology: Distance Scale, Gravitation
Scientific paper
We show that the oscillating G model proposed as an explanation of the periodic distribution in the galaxy-count number is also an acceptable model for the cosmological nonbaryonic matter when taken together with the standard inflationary scenario ( Omega = 1). The model, and in particular the value of the galactic redshift oscillation amplitude, is compatible with the values of the baryonic energy density Omega bar allowed by the primordial abundance of light elements (0.010 <= Omega bar h2 <= 0.020). Remarkably, these values also result in a value for the age of the universe compatible with recent observations. Specifically, the lower bound of 11.5 Gyr is satisfied provided the Hubble parameter is given by H0 = h 100 km s-1 Mpc-1 with h < 0.68.
Quevedo Hernando
Salgado Marcelo
Sudarsky Daniel
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