Cosmological consequences of high-frequency oscillations of Newton's constant

Details Cosmological consequences of high-frequency oscillations of Newton's constant Cosmological consequences of high-frequency oscillations of Newton's constant

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phrvl..67..298a&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 67, July 15, 1991, p. 298-301.

Mathematics

Logic

16

Astronomical Models, Big Bang Cosmology, Gravitational Constant, Relativity, Fermions, Hubble Constant, Red Shift, Stellar Evolution

Scientific paper

It is shown that high-frequency, small-amplitude oscillations of Newton's constant G can dramatically alter cosmology even if the frequency is very high compared to the expansion rate. For example, it is possible to have a spatially flat universe in which dynamical tests of Omega=(matter density)/(critical density) tests which attempt to directly measure the mass density of the universe obtain values less than unity (Omega=0.1-0.3, say). The cosmological effects can be obtained in a frequency-amplitude range allowed by all known constraints on G and its time derivative.

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