Cosmological particle production in five-dimensional Kaluza-Klein theory

Details Cosmological particle production in five-dimensional Kaluza-Klein theory Cosmological particle production in five-dimensional Kaluza-Klein theory

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cqgra..16.4085m&link_type=abstract

Classical and Quantum Gravity, Volume 16, Issue 12, pp. 4085-4099 (1999).

Mathematics

Logic

12

Scientific paper

The five-dimensional induced-matter theory is reformulated to describe matter and entropy creation in the very early Universe, in the presence of a variable speed of light and gravitational constant. The five-dimensional vacuum field equations induce a four-dimensional cosmological fluid with the particle creation rate being determined by the time variation rate of the metric tensor component of the fifth dimension. For a homogeneous and isotropic flat Friedmann-Robertson-Walker geometry exact analytical solutions of the five-dimensional gravitational field equations are obtained, leading to a self-consistent cosmological model describing matter and entropy generation from the extra dimensions.

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