Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-06-13
Mod.Phys.Lett.A22:2471-2478,2007
Physics
High Energy Physics
High Energy Physics - Theory
10 pages, no figures
Scientific paper
10.1142/S0217732307022529
In this paper, based on the gauge potential decomposition and the $\phi-$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.
Cao Zhen-Bin
Duan Yi-Shi
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