Mathematics – Logic
Scientific paper
Jun 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986phrvl..56.2873g&link_type=abstract
Physical Review Letters, Volume 56, Issue 26, June 30, 1986, pp.2873-2876
Mathematics
Logic
53
Origin And Formation Of The Universe, Gravity In More Than Four Dimensions, Kaluza-Klein Theory, Unified Field Theories, Alternative Theories Of Gravity
Scientific paper
In the framework of the simplest Einstein-Cartan generalization of the standard cosmological model, it is shown that an inflationary phase may occur at a sufficiently early epoch, during which the dominant contributions to the effective energy-momentum tensor are represented by the spin density of the matter sources. The general features of this inflationary scenario are briefly discussed, and in particular the possibility of obtaining an expansion rate different from that of the standard exponential inflation is stressed.
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