Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-10-15
Physics
High Energy Physics
High Energy Physics - Theory
17 pages, no figure, LATEX file
Scientific paper
In the light of $\phi$-mapping method and topological current theory, the topological structure and the topological quantization of arbitrary dimensional topological defects are obtained under the condition that the Jacobian $J(\phi/v) \neq 0$. When $J(\phi/v)=0$, it is shown that there exist the crucial case of branch process. Based on the implicit function theorem and the Taylor expansion, we detail the bifurcation of generalized topological current and find different directions of the bifurcation. The arbitrary dimensional topological defects are found splitting or merging at the degenerate point of field function $\vec \phi$ but the total charge of the topological defects is still unchanged.
Duan Yishi
Jiang Ying
Yang Guohong
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