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The revision of the Author's results with respect to possibility of existenceof the so-called Euclidian cycles in cosmological evolution of a system ofHiggs scalar fields has been performed. The assumption of non-negativity of theUniverse's extension velocity, which contradicts in certain cases to completesystem of Einstein equations, has been removed. It has been shown that in caseswhen effective energy of the system tends to zero, a smooth transition of themodel to the range of negative values of the extension velocity occurs, i.e. itoccurs the transition to collapse stage rather than winding of the phasetrajectories on the boundary of prohibited area. This process has beenresearched with a help of numerical simulation methods for the model based onclassical scalar Higgs field.

A Complete Model of Cosmological Evolution of Scalar Field with Higgs Potential and Euclidian Cycles