Physics
Scientific paper
Sep 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.219...29l&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 219, no. 1, p. 29-34
Physics
2
Chronology, Cosmology, Field Theory (Physics), Gravitation Theory, Relativistic Theory, Relativity, Universe, Curvature, Einstein Equations, Space-Time Functions
Scientific paper
The age of the universe is computed for spatially homogeneous and isotropic cosmological models of the relativistic Wesson's 5D variable mass theory of gravity. It is shown that if the pressure in the mass dimension is negligible, ages old enough to agree with the observations can only be obtained if the cosmological constant is different from zero. In addition, unlike the standard Friedmann-Robertson-Walker (FRW) models in Einstein's 4D theory, the age value itself is not affected by the nature of the matter content (matter and radiation dominated models give the same age).
Carvalho João C.
Lima A. S. J.
Nelson Ronald O.
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