Bianchi type I cosmological models with variableG and A

Details Bianchi type I cosmological models with variableG and A Bianchi type I cosmological models with variableG and A

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994gregr..26..159b&link_type=abstract

General Relativity and Gravitation, Volume 26, Issue 2, pp.159-165

Mathematics

Logic

50

Scientific paper

Einstein's equations with variableG and A scalars are considered for a Bianchi type I metric. A solution is found in which the cosmological term varies inversely with the square of time. As in the case of the flat Friedmann-Lemaître-Robertson-Walker ( flrw) models discussed recently, there is then no dimensional constant associated with A. However, it is shown that the time behaviour of Bianchi type I inflationary solutions cannot be of the pure de Sitter type. This shows that if the flat FLRW inflationary solutions previously considered are perturbed by the introduction of Bianchi type I anisotropy, then the time evolution may be perturbed from the pure exponential form.

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