The seed of magnetic monopoles in the early inflationary universe from a 5D vacuum state
arXiv:0812.0783 · doi:10.1016/j.physletb.2009.03.026
Abstract
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.
Version accepted in Physics Letters B
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