Phys. Rev. Lett. 88, 177002 (2002) [4 pages]Dual Neutral Variables and Knot Solitons in Triplet Superconductors
Egor Babaev Received 1 September 2001; published 16 April 2002 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 closed vortices (knotted solitons). ©2002 The American Physical Society
URL: http://link.aps.org/doi/10.1103/PhysRevLett.88.177002 [ Abstract | Previous article | Next article | Issue 17 ] |
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