Consequences of a possible violation of the Strong Equivalence Principle. II. Cosmological Models and Observational Tests

Details Consequences of a possible violation of the Strong Equivalence Principle. II. Cosmological Models and Observational Tests Consequences of a possible violation of the Strong Equivalence Principle. II. Cosmological Models and Observational Tests

Jun 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996grco....2..148s&link_type=abstract

Gravitation & Cosmology, v.2, pp. 148-154

Mathematics

Logic

Cosmology, Gravitation, Early Universe

Scientific paper

We analyze the cosmological implications of a scale-covariant violation of the Strong Equivalence Principle. In particular, assuming a monotonic time dependence of the gauge function during the matter-dominated era, we obtain analytical solutions for scale-covariant cosmological models in terms of certain quantities acting as an effective Hubble parameter and an effective deceleration parameter. We find that the age of the Universe in this framework and analyse possible conflicts with the age of globular clusters. Other cosmological tests, such as redshift versus magnitude, metric-angular diameter, and the isophotal angle relations are also studied.

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