On the Big Bounce Singularity of a Simple 5D Cosmological Model

Details On the Big Bounce Singularity of a Simple 5D Cosmological Model On the Big Bounce Singularity of a Simple 5D Cosmological Model

2003-04-13

arxiv.org/abs/gr-qc/0304049v2

Chin. Phys. Lett. 20 (2003) 995-998

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Revtex, 10 pages, 2 figures, references added

Scientific paper

10.1088/0256-307X/20/7/307

The big bounce singularity of a simple 5D cosmological model is studied. Contrary to the standard big bang space-time singularity, this big bounce singularity is found to be an event horizon at which the scale factor and the mass density of the universe are finite, while the pressure undergoes a sudden transition from negative infinity to positive infinity. By using coordinate transformation it is also shown that before the bounce the universe contracts deflationary, and the universe has been existed, according to the proper-time, for an infinitely long time.

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