A model of gravitation with global U(1)-symmetry

Abstract

It is shown that an embedding of the general relativity $4-$space into a flat $12-$space gives a model of gravitation with the global $U(1)-$symmetry and the discrete $D_1-$one. The last one may be transformed into the $SU(2)-$symmetry of the unified model, and the demand of independence of $U(1)-$ and $SU(2)-$transformations leads to the estimate ${\sin }^2{\theta }_{min}=0,20$ where ${\theta }_{min}$ is an analog of the Weinberg angle of the standard model.

7 pages

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