A Cyclic Model of Universe with Energy Exchange between Radiation, Matter and Vacuum Energy

Details A Cyclic Model of Universe with Energy Exchange between Radiation, Matter and Vacuum Energy A Cyclic Model of Universe with Energy Exchange between Radiation, Matter and Vacuum Energy

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ijtp...47.2904m&link_type=abstract

International Journal of Theoretical Physics, Volume 47, Issue 11, pp.2904-2910

Physics

Cosmology, Energy Exchange, Cyclic Model

Scientific paper

We further extend the cosmological scenario with energy exchange by Barrow and Clifton and our previous work to the more complex case with energy exchange between three fluids: radiation, matter and vacuum energy. By prescribing the form of energy exchange function, we construct an infinitely cyclic cosmological model, in which the universe undergoes an endless sequence of cosmic epoch and each consisting of expansion and contraction, and the cosmological parameters, such as the Hubble parameter H, deceleration parameter q, transition red-shift Z T, and densities ρ r , ρ m , and ρ Λ are consistent with the present observed values.

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