Dual Neutral Variables and Knot Solitons in Triplet Superconductors
Dual Neutral Variables and Knot Solitons in Triplet Superconductors
We derive a dual presentation of a free energy functional for spin-triplet superconductors in terms of gauge-invariant variables. The resulting equivalent model in ferromagnetic phase has a form of a version of the Faddeev model. This allows one, in particular, to conclude that spin-triplet superconductors allow formation of stable finite-length …