Scale-Covariant Gravitation and Primordial Nucleosynthesis

Details Scale-Covariant Gravitation and Primordial Nucleosynthesis Scale-Covariant Gravitation and Primordial Nucleosynthesis

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...257..450r&link_type=abstract

Astrophysical Journal, Vol.257, P. 450, 1982

Astronomy and Astrophysics

Astrophysics

29

Scientific paper

By considering the modification in conservation laws when the gravitational constant G is allowed change via a scale-invariant formalism, we place consistent limits on Gdot/G. If Gdot ∝ tɛ, then our "best" model has ∣ɛ∣ ≲ 3 × 10-3 and ∣Gdot/G∣now ˜ ∣ɛt-1now∣ ≲ 1.7 × 10-13 yr-1. These values are comparable to, but approximately a factor of 2 stronger than, limits found in naive models where the conservation laws are not taken into account.

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