Comment on the Big-Bang singularity in the scale-covariant theory

Details Comment on the Big-Bang singularity in the scale-covariant theory Comment on the Big-Bang singularity in the scale-covariant theory

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ap%26ss.123..405b&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 123, no. 2, June 1986, p. 405-407.

Mathematics

1

Big Bang Cosmology, Singularity (Mathematics), Covariance, Field Theory (Physics), Flux Density

Scientific paper

In a recently published article, Rahman and Banerji (1985) have shown that certain Friedmann-Lemaitre-Robertson-Walker cosmological models with zero cosmological constant in the scale covariant theory of Canuto et al. (1977) do not have an observable singularity of infinite density in the beginning. This is in contrast to the corresponding general relativistic models, each of which has a Big-Bang singularity (see, for example, Ellis, 1971). In this note it is shown that the cosmological models in the scale-covariant theory which have been considered as possible viable models of the universe by Canuto and his coworkers each possess a singularity where the energy density diverges.

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