Bianchi type-II cosmological model: some remarks

Details Bianchi type-II cosmological model: some remarks Bianchi type-II cosmological model: some remarks

2010-10-09

arxiv.org/abs/1010.1855v1

Central Eur.J.Phys.9:939-941,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

3 pages

Scientific paper

10.2478/s11534-011-0017-4

Within the framework of Bianchi type-II (BII) cosmological model the behavior of matter distribution has been considered. It is shown that the non-zero off-diagonal component of Einstein tensor implies some severe restriction on the choice of matter distribution. In particular for a locally rotationally symmetric Bianchi type-II (LRS BII) space-time it is proved that the matter distribution should be strictly isotropic if the corresponding matter field possesses only non-zero diagonal components of the energy-momentum tensor.

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