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hep-th2011★ 1 cited
Knot solitons in modified Ginzburg-Landau model
Juha Jäykkä, Joonatan Palmu
We study a modified version of the Ginzburg-Landau model suggested by Ward and show that Hopfions exist in it as stable static solutions, for values of the Hopf invariant up to at…
hep-th2009★ 22 cited
Unwinding in Hopfion vortex bunches
Juha Jäykkä, Jarmo Hietarinta
We investigate the behaviour of parallel Faddeev-Hopf vortices under energy minimization in a system with physically relevant, but unusual boundary conditions. The homotopy classif…