Thermodynamics of Expansive Nondecelerative Universe

Details Thermodynamics of Expansive Nondecelerative Universe Thermodynamics of Expansive Nondecelerative Universe

2001-06-25

arxiv.org/abs/gr-qc/0106078v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, LaTeX

Scientific paper

The present contribution deals with thermodynamic aspects of the model of Expansive Nondecelerative Universe. In this model, in the matter era a dependence T^CBR ~ E^CBR ~ a(exp -3/4) holds for the energy of cosmic background radiation, E^CBR and its temperature T^CBR, while the proportionality of the energy density epsilon^CBR to the gauge factor a can be expressed as epsilon^CBR ~ a(exp -3). The given relationships comply with experimental observations of the cosmic background radiation as well as with a surprising finding that the Universe expansion is not decelerated by gravitational forces. It is rationalized that the specific entropy is proportional to a(exp -1/4), i.e. it is gradually decreasing in time.

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