Chervon, S.V.2015-01-172015-01-172015-01-17http://hdl.handle.net/11007/2805In this paper the self –gravitating nonlinear sigma model is considered in the context of inflation scenarios as an alternative to the self-interacting scalar field theory. The complete set of new exact solutions for the two-component sigma model in the frame work of spatially flat friendmann- Robertson- Walker and de sitter universes is obtained.enCosmological parametersArticle