Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-05-30
Commun.Theor.Phys.47:875,2007
Physics
High Energy Physics
High Energy Physics - Theory
10 pages, ni figure
Scientific paper
10.1088/0253-6102/47/5/021
In this paper, spinor and vector decomposition of SU(2) gauge potential are presented and their equivalence is constructed using a simply proposal. We also obtain the action of Faddeev nonlinear O(3) sigma model from the SU(2) massive gauge field theory which is proposed according to the gauge invariant principle. At last, the knot structure in SU(2) Chern-Simons filed theory is discussed in terms of the $\phi$--mapping topological current theory. The topological charge of the knot is characterized by the Hopf indices and the Brouwer degrees of $\phi$-mapping.
Duan Yi-Shi
Li Renwei
Ren Ji-Rong
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