Nonsingular cosmology with a time-dependent cosmological term

Details Nonsingular cosmology with a time-dependent cosmological term Nonsingular cosmology with a time-dependent cosmological term

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994phrvd..50.7725a&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 50, Issue 12, 15 December 1994, pp.7725-7728

Mathematics

Logic

38

Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

The consequences of the cosmological constant ansatz of Carvalho, Lima, and Waga (Λ=3βH2+3γR-2) are investigated in an extension of the nonsingular Özer-Taha cosmology. The considered model describes a closed singularity-free universe evolving through successive epochs of pure radiation, matter generation, and radiation and matter. The early phase of the last period is shown to be a concrete realization of the postsingularity radiation era scenario of Freese, Adams, Frieman, and Mottola.

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