Particle Creation in a universe filled by radiation and dust-like matter

Details Particle Creation in a universe filled by radiation and dust-like matter Particle Creation in a universe filled by radiation and dust-like matter

1993-08-19

arxiv.org/abs/gr-qc/9308019v1

Prog.Theor.Phys. 90 (1993) 851-860

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

16pp. IVIC-CFLE-93/03

Scientific paper

10.1143/PTP.90.851

In this article the particle creation process of scalar and spin 1/2 particles in a spatially open cosmological model associated with a universe filled by radiation and dustlike matter. The Klein-Gordon and Dirac equations are solved via separation of variables. After comparing the{\it \ in }and% {\it \ out} vacua, we obtain that the number of created particles corresponds to Planckian and Fermi-Dirac distributions for the scalar and Dirac cases

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