Cosmological Model for the Very Early Universe in B.D. Theory

Details Cosmological Model for the Very Early Universe in B.D. Theory Cosmological Model for the Very Early Universe in B.D. Theory

2006-05-17

arxiv.org/abs/gr-qc/0605092v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages including front page. To be submitted to Astrophysics and Space Science

Scientific paper

Following a paper by Berman and Marinho Jr (2001), where it was established an equation of state (p=-(1/3)rho), for the very early Universe, under which, Einstein's equations with lambda=0, render a scale-factor proportional to the time coordinate, and under which, Berman(2006, 2006a) showed that in the non-null lambda case, the Universe entered automatically into an exponential inflationary phase, we now study the corresponding effect in Brans-Dicke Cosmology. We find that the resulting models are similar to those in General Relativity Cosmology.

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