Spinor field and accelerated regimes in cosmology

Details Spinor field and accelerated regimes in cosmology Spinor field and accelerated regimes in cosmology

2005-12-08

arxiv.org/abs/gr-qc/0512050v1

Grav.Cosmol.12:215-218,2006

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, 4 figures

Scientific paper

A self-consistent system of interaction nonlinear spinor and scalar fields within the scope of a BI cosmological model filled with perfect fluid is considered. The role of spinor field in the evolution of the Universe is studied. It is shown that the spinor field nonlinearity can generate a negative effective pressure, which can be seen as an alternative source for late time acceleration of the Universe.

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