Symmetries of SU(2) Skyrmion in Hamiltonian and Lagrangian approaches

Details Symmetries of SU(2) Skyrmion in Hamiltonian and Lagrangian approaches Symmetries of SU(2) Skyrmion in Hamiltonian and Lagrangian approaches

1999-05-13

arxiv.org/abs/hep-ph/9905325v2

Mod.Phys.Lett. A15 (2000) 55-65

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, final revised version, to appear in Mod. Phys. Lett. A

Scientific paper

10.1142/S0217732300000086

We apply the Batalin-Fradkin-Tyutin (BFT) method to the SU(2) Skyrmion to study the full symmetry structure of the model at the first class Hamiltonian level. On the other hand, we also analyze the symmetry structure of the action having the WZ term, which corresponds to this Hamiltonian, in the framework of the Lagrangian approach. Furthermore, following the BFV formalism we derive the BRST invariant gauge fixed Lagrangian from the above extended action.

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