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- W2019944105 abstract "We propose a generalized Skyrme-Faddeev type theory with an additional scalar field. In a special case of model parameters one has a theory which admits exact knot solutions given by a class of exact toroidal solitons from Aratyn-Ferreira-Zimerman (AFZ) integrable CP1 model. In a general case the theory admits an exact knot solution for a unit Hopf charge. For higher Hopf charges we perform numeric analysis of the solutions and obtain estimates for the knot energies using energy minimization procedure based on ansatz with AFZ field configurations and with rational functions. We show that AFZ configurations provide a better approximate solutions. The corresponding knot energies are in a good agreement with a standard law for the low energy bound, E_Hsimeq Q_H^{3/4}." @default.
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- W2019944105 date "2013-05-15" @default.
- W2019944105 modified "2023-09-24" @default.
- W2019944105 title "Exact knot solutions in a generalized Skyrme-Faddeev model" @default.
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- W2019944105 doi "https://doi.org/10.1103/physrevd.87.107701" @default.
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