Friedmann-type cosmological solutions in Wesson's 5D space-time-mass theory of gravity

Details Friedmann-type cosmological solutions in Wesson's 5D space-time-mass theory of gravity Friedmann-type cosmological solutions in Wesson's 5D space-time-mass theory of gravity

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phla..143..183g&link_type=abstract

Physics Letters A, Volume 143, Issue 4-5, p. 183-185.

Physics

19

Scientific paper

Friedmann-type cosmological solutions in a 5D space-time-mass gravity proposed recently by Wesson are obtained for a zero-pressure perfect fluid. The behaviour of the solutions is discussed for three cases in which k = + 1, 0, - 1, respectively. It is found that the ``mass scale-factor'' μ(t), which characterizes the rest mass of a typical particle, is evolving with cosmic time just as the spatial scale-factor a(t).

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