Stability of the Einstein static universe in Einstein-Cartan theory
Journal Article
·
· Journal of Cosmology and Astroparticle Physics
- Department of Physics, Azarbaijan Shahid Madani University, Tabriz, 53714-161 (Iran, Islamic Republic of)
The existence and stability of the Einstein static solution have been built in the Einstein-Cartan gravity. We show that this solution in the presence of perfect fluid with spin density satisfying the Weyssenhoff restriction is cyclically stable around a center equilibrium point. Thus, study of this solution is interesting because it supports non-singular emergent cosmological models in which the early universe oscillates indeterminately about an initial Einstein static solution and is thus past eternal.
- OSTI ID:
- 22373537
- Journal Information:
- Journal of Cosmology and Astroparticle Physics, Vol. 2014, Issue 06; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1475-7516
- Country of Publication:
- United States
- Language:
- English
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