2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/192807In this paper, based on the gauge potential decomposition and the $ϕ-$mapping theories, we study the topological structures and properties of the cosmic strings that arise in the Abelian-Higgs gauge theory in the zero-thickness limit. After a detailed discussion, we conclude that the topological tensor current introduced in our model is a better and more basic starting point than the generally used Nambu-Goto effective action for studying cosmic strings.10 pages, no figuresHigh Energy Physics - Theorytext