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Дата последнего поиска статьи во внешних источниках: 3 ноября 2021 г.
Аннотация:A classical field system is considered that consists of two interacting scalar fields, the Higgs real field and a complex scalar field. It is demonstrated that there exists a nontrivial topological solution in this system-a kink carrying a U(1) charge. Certain questions are discussed related to the stability of the solution obtained. An improved variational procedure is proposed for determining topological U(l)-charged configurations