Varying G

Details Varying G Varying G

Sep 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.188..829c&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 188, Sept. 1979, p. 829-837.

Mathematics

Logic

19

Cosmology, Einstein Equations, Gravitation Theory, Gravitational Constant, Dirac Equation, Dynamic Response, Equations Of State, Space-Time Functions, Time Response

Scientific paper

The problem of the variation of the gravitational constant with cosmological time is critically analyzed. Since Einstein's equation does not allow G to vary on any time scale, no observational data can be analyzed within the context of the standard theory. The recently proposed scale covariant theory, which allows (but does not demand) G to vary, and which has been shown to have passed several standard cosmological tests, is employed to discuss some recent nonnull observational results which indicate a time variation of G.

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