Phantom appearance of non-phantom matter in anisotropic cosmological model. (English) Zbl 1255.83171
Summary: Two cosmological models with non-phantom matter having the same expansion of the universe as phantom cosmologies are constructed in anisotropic Bianchi type-V universe. The exact solutions to the corresponding Einstein field equations have been obtained. The statefinder diagnostic pair i.e. \({r,s}\) parameters have been obtained for disordered radiation i.e. \(\gamma =1/3\). We have also discussed the well-known astrophysical phenomena, namely the look-back time, luminosity distance and event horizon with redshift.
MSC:
| 83F05 | Relativistic cosmology |
| 83C55 | Macroscopic interaction of the gravitational field with matter (hydrodynamics, etc.) |
| 83C15 | Exact solutions to problems in general relativity and gravitational theory |
| 85A40 | Astrophysical cosmology |
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