Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2008-12-03
Phys.Lett.B674:143-145,2009
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
Version accepted in Physics Letters B
Scientific paper
10.1016/j.physletb.2009.03.026
Starting from a 5D Riemann flat metric, we have induced an effective 4D Hermitian metric which has an antisymmetric part which is purely imaginary. We have worked an example in which both, non-metricity and contorsion are zero. We obtained that the production of monopoles should be insignificant at the end of inflation and the tensor metric should come asymptotically diagonal and describing a nearly 4D de Sitter expansion.
Bellini Mauricio
Romero Jesús Martín
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