Integrability and Hopf Solitons in Models with Explicitly Broken O(3) Symmetry

Details Integrability and Hopf Solitons in Models with Explicitly Broken O(3) Symmetry Integrability and Hopf Solitons in Models with Explicitly Broken O(3) Symmetry

2004-05-18

arxiv.org/abs/hep-th/0405155v1

Eur.Phys.J. C38 (2004) 261-265

Physics

High Energy Physics

High Energy Physics - Theory

11 pages

Scientific paper

10.1140/epjc/s2004-02041-x

A wide class of models, built of the three component unit vector field living in the (3+1) Minkowski space-time, which break explicitly global O(3) symmetry are discussed. The symmetry breaking occurs due to the so-called dielectric function multiplying a standard symmetric term. Integrability conditions are found. Moreover, for some particular forms of the Lagrangian exact toroidal solutions with any Hopf index are obtained. It is proved that such symmetry breaking influences the shape of the solitons whereas the energy as well as the Hopf index remain unchanged.

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