Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2011-02-10
Phys.Rev.D83:105015,2011
Physics
High Energy Physics
High Energy Physics - Theory
version 3: published version; version 2: added a reference, clarified a couple of sentences 6 pages, 4 figures
Scientific paper
10.1103/PhysRevD.83.105015
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 least 7. We also find that their properties closely follow those of their counterparts in the Faddeev-Skyrme model. Finally, we lend support to Babaev's conjecture that longer core lengths yield more stable solitons and propose a possible mechanism for constructing Hopfions in pure Ginzburg-Landau model.
Jäykkä Juha
Palmu Joonatan
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